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chlorid vápenatý (cacl2)
(czen) | chlorid vápenatý (CaCl2),calcium chloriden: [chem.] Štěpán Šrubař |
Al2CH36
(gcide) | Methide \Meth"ide\ (? or ?), n. [See Methyl.] (Chem.)
A binary compound of methyl with some element; as, aluminium
methide, Al2(CH3)6.
[1913 Webster] |
Al2O3
(gcide) | Sapphire \Sap"phire\ (? or ?; 277), n. [OE. saphir, F. saphir,
L. sapphirus, Gr. ?, of Oriental origin; cf. Heb.
sapp[imac]r.]
1. (Min.) Native alumina or aluminium sesquioxide, Al2O3;
corundum; esp., the blue transparent variety of corundum,
highly prized as a gem.
[1913 Webster]
Of rubies, sapphires, and of pearl['e]s white.
--Chaucer.
[1913 Webster]
Note: Sapphire occurs in hexagonal crystals and also in
granular and massive forms. The name sapphire is
usually restricted to the blue crystals, while the
bright red crystals are called Oriental rubies (see
under Ruby), the amethystine variety Oriental
amethyst (see under Amethyst), and the dull massive
varieties corundum (a name which is also used as a
general term to include all varieties). See Corundum.
[1913 Webster]
2. The color of the gem; bright blue.
[1913 Webster]
3. (Zool.) Any humming bird of the genus Hylocharis, native
of South America. The throat and breast are usually bright
blue.
[1913 Webster]
Star sapphire, or Asteriated sapphire (Min.), a kind of
sapphire which exhibits asterism.
[1913 Webster]Sesquioxide \Ses`qui*ox"ide\, n. [Sesqui- + oxide.] (Chem.)
An oxide containing three atoms of oxygen with two atoms (or
radicals) of some other substance; thus, alumina, Al2O3 is
a sesquioxide.
[1913 Webster] SesquipedalAlumina \A*lu"mi*na\, n. [L. alumen, aluminis. See Alum.]
(Chem.)
One of the earths, consisting of two parts of aluminium and
three of oxygen, Al2O3.
[1913 Webster]
Note: It is the oxide of the metal aluminium, the base of
aluminous salts, a constituent of a large part of the
earthy siliceous minerals, as the feldspars, micas,
scapolites, etc., and the characterizing ingredient of
common clay, in which it exists as an impure silicate
with water, resulting from the decomposition of other
aluminous minerals. In its natural state, it is the
mineral corundum.
[1913 Webster]Corundum \Co*run"dum\ (k[-o]*r[u^]n"d[u^]m), n.; pl. Corundums
(k[-o]*r[u^]n"d[u^]mz). [Also corindon.] [From Hind. kurand
corundum stone.] (Min.)
The mineral alumina (Al2O3), as found native in a
crystalline state. Transparent varieties are used as
gemstones, including sapphire, which is the fine blue
variety; the oriental ruby, or red sapphire; the {oriental
amethyst}, or purple sapphire; and adamantine spar, the
hair-brown variety. It is the hardest substance found native,
next to the diamond.
[1913 Webster +PJC]
Note: The name corundum is sometimes restricted to the
non-transparent or coarser kinds. Emery is a
dark-colored granular variety, usually admixed with
magnetic iron ore.
[1913 Webster] |
C2H4Cl2
(gcide) | Dutch \Dutch\, a. [D. duitsch German; or G. deutsch, orig.,
popular, national, OD. dietsc, MHG. diutsch, tiutsch, OHG.
diutisk, fr. diot, diota, a people, a nation; akin to AS.
pe['o]d, OS. thiod, thioda, Goth. piuda; cf. Lith. tauta
land, OIr. tuath people, Oscan touto. The English have
applied the name especially to the Germanic people living
nearest them, the Hollanders. Cf. Derrick, Teutonic.]
Pertaining to Holland, or to its inhabitants.
[1913 Webster]
Dutch auction. See under Auction.
Dutch cheese, a small, pound, hard cheese, made from skim
milk.
Dutch clinker, a kind of brick made in Holland. It is
yellowish, very hard, and long and narrow in shape.
Dutch clover (Bot.), common white clover ({Trifolium
repens}), the seed of which was largely imported into
England from Holland.
Dutch concert, a so-called concert in which all the singers
sing at the same time different songs. [Slang]
Dutch courage, the courage of partial intoxication. [Slang]
--Marryat.
Dutch door, a door divided into two parts, horizontally, so
arranged that the lower part can be shut and fastened,
while the upper part remains open.
Dutch foil, Dutch leaf, or Dutch gold, a kind of brass
rich in copper, rolled or beaten into thin sheets, used in
Holland to ornament toys and paper; -- called also {Dutch
mineral}, Dutch metal, brass foil, and bronze leaf.
Dutch liquid (Chem.), a thin, colorless, volatile liquid,
C2H4Cl2, of a sweetish taste and a pleasant ethereal
odor, produced by the union of chlorine and ethylene or
olefiant gas; -- called also Dutch oil. It is so called
because discovered (in 1795) by an association of four
Hollandish chemists. See Ethylene, and Olefiant.
Dutch oven, a tin screen for baking before an open fire or
kitchen range; also, in the United States, a shallow iron
kettle for baking, with a cover to hold burning coals.
Dutch pink, chalk, or whiting dyed yellow, and used in
distemper, and for paper staining. etc. --Weale.
Dutch rush (Bot.), a species of horsetail rush or
Equisetum (Equisetum hyemale) having a rough,
siliceous surface, and used for scouring and polishing; --
called also scouring rush, and shave grass. See
Equisetum.
Dutch tile, a glazed and painted ornamental tile, formerly
much exported, and used in the jambs of chimneys and the
like.
[1913 Webster]
Note: Dutch was formerly used for German.
[1913 Webster]
Germany is slandered to have sent none to this
war [the Crusades] at this first voyage; and that
other pilgrims, passing through that country,
were mocked by the Dutch, and called fools for
their pains. --Fuller.
[1913 Webster] |
CaOCl2
(gcide) | Chloride \Chlo"ride\, n. (Chem.)
A binary compound of chlorine with another element or
radical; as, chloride of sodium (common salt).
[1913 Webster]
Chloride of ammonium, sal ammoniac.
Chloride of lime, bleaching powder; a grayish white
substance, CaOCl2, used in bleaching and disinfecting;
-- called more properly calcium hypochlorite. See
Hypochlorous acid, under Hypochlorous.
Mercuric chloride, corrosive sublimate.
[1913 Webster] |
COCl2
(gcide) | phosgene \phos"gene\ (f[o^]s"j[=e]n or f[o^]z"j[=e]n), n.
(Chem.)
A reactive chemical substance (COCl2), also called
carbonyl choride, used in synthesis of numerous substances.
In the First World War it was also used as a poisonous gas in
combat.
[PJC]Carbonyl \Car"bon*yl\, n. [Carbon + -yl.] (Chem.)
The radical (=CO), occuring, always combined, in many
compounds, as the aldehydes, the ketones, urea, carbonyl
chloride, etc.
[1913 Webster]
Note: Though denoted by a formula identical with that of
carbon monoxide, it is chemically distinct, as carbon
seems to be divalent in carbon monoxide, but
tetravalent in carbonyl compounds.
[1913 Webster]
Carbonyl chloride (Chem.), a colorless gas, COCl2, of
offensive odor, and easily condensable to liquid. It is
formed from chlorine and carbon monoxide, under the
influence of light, and hence has been called phosgene,
or phosgene gas; -- called also carbon oxychloride. It
is used in chemical synthesis, and was also used as a
poison gas in World War I.
[1913 Webster +PJC]Cobaltous \Co*balt"ous\, a. (Chem.)
Pertaining to, derived from, or containing, cobalt; -- said
esp. of cobalt compounds in which the metal has its lower
valence.
[1913 Webster]
Cobaltous chloride, a crystalline compound, CoCl2, of a
pale rose color when hydrous, blue when dehydrated. Its
solution is used for a sympathetic ink, the writing being
nearly colorless when dried in the air, owing to absorbed
moisture, and becoming bright blue when warmed.
[1913 Webster] |
CoCl2
(gcide) | phosgene \phos"gene\ (f[o^]s"j[=e]n or f[o^]z"j[=e]n), n.
(Chem.)
A reactive chemical substance (COCl2), also called
carbonyl choride, used in synthesis of numerous substances.
In the First World War it was also used as a poisonous gas in
combat.
[PJC]Carbonyl \Car"bon*yl\, n. [Carbon + -yl.] (Chem.)
The radical (=CO), occuring, always combined, in many
compounds, as the aldehydes, the ketones, urea, carbonyl
chloride, etc.
[1913 Webster]
Note: Though denoted by a formula identical with that of
carbon monoxide, it is chemically distinct, as carbon
seems to be divalent in carbon monoxide, but
tetravalent in carbonyl compounds.
[1913 Webster]
Carbonyl chloride (Chem.), a colorless gas, COCl2, of
offensive odor, and easily condensable to liquid. It is
formed from chlorine and carbon monoxide, under the
influence of light, and hence has been called phosgene,
or phosgene gas; -- called also carbon oxychloride. It
is used in chemical synthesis, and was also used as a
poison gas in World War I.
[1913 Webster +PJC]Cobaltous \Co*balt"ous\, a. (Chem.)
Pertaining to, derived from, or containing, cobalt; -- said
esp. of cobalt compounds in which the metal has its lower
valence.
[1913 Webster]
Cobaltous chloride, a crystalline compound, CoCl2, of a
pale rose color when hydrous, blue when dehydrated. Its
solution is used for a sympathetic ink, the writing being
nearly colorless when dried in the air, owing to absorbed
moisture, and becoming bright blue when warmed.
[1913 Webster] |
Hg2Cl2
(gcide) | Calomel \Cal"o*mel\ (k[a^]l"[-o]*m[e^]l), n. [Gr. kalo`s
beautiful + me`las black. So called from its being white,
though made from a black mixture of mercury and corrosive
sublimate. Cf. F. calom['e]las.] (Chem.)
Mild chloride of mercury, Hg2Cl2, a heavy, white or
yellowish white substance, insoluble and tasteless, much used
in medicine as a mercurial and purgative; mercurous chloride.
It occurs native as the mineral horn quicksilver.
[1913 Webster] |
HgCl2
(gcide) | mercury bichloride \mercury bichloride\ n.
the compound (HgCl2) consisting of two atoms of chlorine
united with one atom of mercury. Also called {bichloride of
mercury}, mercuric chloride, corrosive sublimate, and
mercury perchloride. It is used as "a topical antiseptic
and disinfectant for inanimate objects". --Stedman's 25th
[PJC]Corrosive \Cor*ro"sive\ (k?r-r?"s?v), a. [Cf. F. corrosif.]
1. Eating away; having the power of gradually wearing,
changing, or destroying the texture or substance of a
body; as, the corrosive action of an acid. "Corrosive
liquors." --Grew. "Corrosive famine." --Thomson.
[1913 Webster]
2. Having the quality of fretting or vexing.
[1913 Webster]
Care is no cure, but corrosive. --Shak.
[1913 Webster]
Corrosive sublimate (Chem.), mercuric chloride, HgCl2; so
called because obtained by sublimation, and because of its
harsh irritating action on the body tissue. Usually it is
in the form of a heavy, transparent, crystalline
substance, easily soluble, and of an acrid, burning taste.
It is a virulent poison, a powerful antiseptic, and an
excellent antisyphilitic; called also {mercuric
bichloride}. It is to be carefully distinguished from
calomel, the mild chloride of mercury.
[1913 Webster] |
PtCl2
(gcide) | Platinous \Plat"i*nous\, a. (Chem.)
Of, pertaining to, or containing, platinum; -- used
specifically to designate those compounds in which the
element has a lower valence, as contrasted with the
platinic compounds; as, platinous chloride (PtCl2).
[1913 Webster] |
SnCl2H2O2
(gcide) | Stannous \Stan"nous\ (-n[u^]s), a. (Chem.)
Pertaining to, or containing, tin; specifically, designating
those compounds in which the element has a lower valence as
contrasted with stannic compounds.
[1913 Webster]
Stannous chloride (Chem.), a white crystalline substance,
SnCl2.(H2O)2, obtained by dissolving tin in hydrochloric
acid. It is used as a mordant in dyeing.
[1913 Webster] |
SO2Cl2
(gcide) | Sulphuryl \Sul"phur*yl\, n. [Sulphur + -yl.] (Chem.)
The hypothetical radical SO2; -- called also sulphon.
[1913 Webster]
Sulphuryl chloride, a chloride, pungent, fuming liquid,
SO2.Cl2, obtained by the action of phosphorus
pentachloride on sulphur trioxide. On treatment with water
it decomposes into sulphuric and hydrochloric acids, and
is hence called also sulphuric chloranhydride.
[1913 Webster] |
ZnCl2
(gcide) | Zinc \Zinc\ (z[i^][ng]k), n. [G. zink, probably akin to zinn
tin: cf. F. zinc, from the German. Cf. Tin.] (Chem.)
An abundant element of the magnesium-cadmium group, extracted
principally from the minerals zinc blende, smithsonite,
calamine, and franklinite, as an easily fusible bluish white
metal, which is malleable, especially when heated. It is not
easily oxidized in moist air, and hence is used for sheeting,
coating galvanized iron, etc. It is used in making brass,
britannia, and other alloys, and is also largely consumed in
electric batteries. Symbol Zn. Atomic number 30. Atomic
weight 65.38. [Formerly written also zink.]
[1913 Webster]
Butter of zinc (Old Chem.), zinc chloride, ZnCl2, a
deliquescent white waxy or oily substance.
Oxide of zinc. (Chem.) See Zinc oxide, below.
Zinc amine (Chem.), a white amorphous substance,
Zn(NH2)2, obtained by the action of ammonia on zinc
ethyl; -- called also zinc amide.
Zinc amyle (Chem.), a colorless, transparent liquid,
composed of zinc and amyle, which, when exposed to the
atmosphere, emits fumes, and absorbs oxygen with rapidity.
Zinc blende [cf. G. zinkblende] (Min.), a native zinc
sulphide. See Blende, n.
(a) .
Zinc bloom [cf. G. zinkblumen flowers of zinc, oxide of
zinc] (Min.), hydrous carbonate of zinc, usually occurring
in white earthy incrustations; -- called also
hydrozincite.
Zinc ethyl (Chem.), a colorless, transparent, poisonous
liquid, composed of zinc and ethyl, which takes fire
spontaneously on exposure to the atmosphere.
Zinc green, a green pigment consisting of zinc and cobalt
oxides; -- called also Rinmann's green.
Zinc methyl (Chem.), a colorless mobile liquid Zn(CH3)2,
produced by the action of methyl iodide on a zinc sodium
alloy. It has a disagreeable odor, and is spontaneously
inflammable in the air. It has been of great importance in
the synthesis of organic compounds, and is the type of a
large series of similar compounds, as zinc ethyl, zinc
amyle, etc.
Zinc oxide (Chem.), the oxide of zinc, ZnO, forming a
light fluffy sublimate when zinc is burned; -- called also
flowers of zinc, philosopher's wool, nihil album,
etc. The impure oxide produced by burning the metal,
roasting its ores, or in melting brass, is called also
pompholyx, and tutty.
Zinc spinel (Min.), a mineral, related to spinel,
consisting essentially of the oxides of zinc and
aluminium; gahnite.
Zinc vitriol (Chem.), zinc sulphate. See White vitriol,
under Vitriol.
Zinc white, a white powder consisting of zinc oxide, used
as a pigment.
[1913 Webster] |
apl2
(foldoc) | APL2
An APL extension from IBM with nested arrays.
["APL2 Programming: Language Reference", IBM, Aug 1984. Order
No. SH20-9227-0].
(1995-11-29)
|
cltl2
(foldoc) | Aluminum Book
CLtL2
["Common LISP: The Language, 2nd Edition", {Guy L. Steele
Jr.}, Digital Press 1990, ISBN 1-55558-041-6].
Due to a technical screwup some printings of the second
edition are actually what the author calls "yucky green".
{On-line version
(http://cs.cmu.edu/Groups/AI/html/cltl/cltl2.html)}.
See also book titles.
[Jargon File]
(1997-06-25)
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l2 cache
(foldoc) | secondary cache
L2 cache
level 2 cache
level two cache
second level cache
(Or "second level cache", "level two
cache", "L2 cache") A larger, slower cache between the
primary cache and main memory. Whereas the primary cache
is often on the same integrated circuit as the {central
processing unit} (CPU), a secondary cache is usually external.
(1997-06-25)
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l2cap
(foldoc) | Logical Link Control and Adaptation Protocol
L2CAP
(L2CAP) A Bluetooth protocol in the {Core
Protocol Stack} providing data services to higher layer
Bluetooth protocols.
{L2CAP Layer Tutorial
(http://palowireless.com/infotooth/tutorial/l2cap.asp)}.
(2002-06-28)
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l2tp
(foldoc) | Layer Two Tunneling Protocol
L2TP
(L2TP) An IETF standard protocol for creating
Virtual Private Networks. L2TP is an open standard with
mutlivendor interoperability and acceptance.
Compare: PPTP.
[Sponsored by Cisco Systems, Inc.?]
(1998-09-24)
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lazy sml2c
(foldoc) | lazy sml2c
A lazy version sml2c. Portable, written in SML.
Language extensions include first-class continuations,
asynchronous signal handling.
E-mail: .
(ftp://dravido.soar.cs.cmu.edu/usr/nemo/sml2c).
|
pdl2
(foldoc) | PDL2
Process Design Language 2.
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pool2
(foldoc) | POOL2
Parallel Object-Oriented Language 2.
Philips Research Labs, 1987.
Strongly typed, synchronous message passing, designed to run
on DOOM (DOOM = Decentralised Object-Oriented Machine).
["POOL and DOOM: The Object- Oriented Approach", J.K. Annot,
PAM den Haan, in Parallel Computers, Object-Oriented,
Functional and Logic, P. Treleaven ed].
["Issues in the Design of a Parallel Object-Oriented
Language", P. America, Formal Aspects of Computing
1(4):366-411 (1989)].
(1995-02-07)
|
setl2
(foldoc) | SETL2
SETL with more conventional Ada-like syntax, {lexical
scope}, full block structure, first-class functions and a
package and library system. Ported to OS/2, MS-DOS (3.1
up), Extended MS-DOS (80286 and higher processors with
extended memory), Macintosh (with the MPW environment),
Sun-3 (SunOS 4), Sun-4 (SunOS 4), IBM RS/6000 (AIX 3.1), DEC
RISC product line (Ultrix 4.0), DEC Vaxen (Mt. Xinu Unix or
VMS).
(ftp://cs.nyu.edu/pub/languages/setl2). Please e-mail Kirk
Snyder if you take a copy.
["The SETL2 Programming Language", W. Kirk Snyder, Courant
Inst TR 490, Jan 1990].
|
sml2c
(foldoc) | sml2c
A Standard ML to C compiler. sml2c is a batch compiler and
compiles only module-level declarations, i.e. signatures,
structures and functors. It provides the same pervasive
environment for the compilation of these programs as SML/NJ.
As a result, module-level programs that run on SML/NJ can be
compiled by sml2c without any changes. Based on SML/NJ
version 0.67 and shares front end and most of its run-time
system, but does not support SML/NJ style debugging and
profiling.
School of Computer Science, Carnegie Mellon University
(ftp://dravido.soar.cs.cmu.edu/usr/nemo/sml2c/sml2c.tar.Z).
{Linux
(ftp://ftp.dcs.glasgow.ac.uk/pub/linux/smlnj-0.82-linux.tar.Z)}.
conformance: superset
+ first-class continuations,
+ asynchronous signal handling
+ separate compilation
+ freeze and restart programs
ports: IBM-RT Decstation3100 Omron-Luna-88k Sun-3 Sun-4
386(Mach)
portability: easy, easier than SML/NJ
E-mail: ,
(1991-06-27)
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snobol2
(foldoc) | SNOBOL2
A SNOBOL variant which existed only briefly. It featured
built-in functions, but not programmer-defined ones.
["SNOBOL2", D.J. Farber, R.E. Griswold and I.P. Polonsky, TR
Bell Labs, Apr 1964].
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sql2
(foldoc) | SQL2
An extended version of the
SQL standard.
(1995-03-20)
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i3dl2
(vera) | I3DL2
Interactive 3D Audio Level 2 (audio)
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l2
(vera) | L2
Level 2 [cache]
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l2f
(vera) | L2F
Layer 2 Forwarding [protocol] (Shiva, Cisco, IP, IPX, LLC)
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l2tp
(vera) | L2TP
Layer 2 Tunneling Protocol (PPP, VPN, IP, RFC 2661)
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ml2
(vera) | ML2
MaskLess Lithography
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oswl2
(vera) | OSWL2
OS-9 Windows / Level 2, "OSW/L2"
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