| slovo | definícia |
borax
(encz) | borax,borax n: Zdeněk Brož |
borax
(czen) | borax,boraxn: Zdeněk Brož |
Borax
(gcide) | Borax \Bo"rax\, n. [OE. boras, fr. F. borax, earlier spelt
borras; cf. LL. borax, Sp. borraj; all fr. Ar. b?rag, fr.
Pers. b?rah.]
A white or gray crystalline salt, with a slight alkaline
taste, used as a flux, in soldering metals, making enamels,
fixing colors on porcelain, and as a soap. It occurs native
in certain mineral springs, and is made from the boric acid
of hot springs in Tuscany. It was originally obtained from a
lake in Thibet, and was sent to Europe under the name of
tincal. Borax is a pyroborate or tetraborate of sodium,
Na2B4O7.10H2O.
[1913 Webster]
Borax bead. (Chem.) See Bead, n., 3.
[1913 Webster] |
borax
(wn) | borax
n 1: an ore of boron consisting of hydrated sodium borate; used
as a flux or cleansing agent |
| | podobné slovo | definícia |
Borax
(gcide) | Borax \Bo"rax\, n. [OE. boras, fr. F. borax, earlier spelt
borras; cf. LL. borax, Sp. borraj; all fr. Ar. b?rag, fr.
Pers. b?rah.]
A white or gray crystalline salt, with a slight alkaline
taste, used as a flux, in soldering metals, making enamels,
fixing colors on porcelain, and as a soap. It occurs native
in certain mineral springs, and is made from the boric acid
of hot springs in Tuscany. It was originally obtained from a
lake in Thibet, and was sent to Europe under the name of
tincal. Borax is a pyroborate or tetraborate of sodium,
Na2B4O7.10H2O.
[1913 Webster]
Borax bead. (Chem.) See Bead, n., 3.
[1913 Webster] |
Borax bead
(gcide) | Borax \Bo"rax\, n. [OE. boras, fr. F. borax, earlier spelt
borras; cf. LL. borax, Sp. borraj; all fr. Ar. b?rag, fr.
Pers. b?rah.]
A white or gray crystalline salt, with a slight alkaline
taste, used as a flux, in soldering metals, making enamels,
fixing colors on porcelain, and as a soap. It occurs native
in certain mineral springs, and is made from the boric acid
of hot springs in Tuscany. It was originally obtained from a
lake in Thibet, and was sent to Europe under the name of
tincal. Borax is a pyroborate or tetraborate of sodium,
Na2B4O7.10H2O.
[1913 Webster]
Borax bead. (Chem.) See Bead, n., 3.
[1913 Webster] |
octahedral borax
(gcide) | octahedral \oc`ta*he"dral\ ([o^]k`t[.a]*h[=e]"dral), a. [See
octahedron.]
Having eight faces or sides; of, pertaining to, or formed in,
octahedrons; as, octahedral cleavage; an octahedral crystal.
[1913 Webster]
octahedral borax (Chem.), borax obtained from a saturated
solution in octahedral crystals, which contain five
molecules of water of crystallization; distinguished from
common or prismatic borax.
Octahedral iron ore (Min.), magnetite.
[1913 Webster] |
Prismatic borax
(gcide) | Prismatic \Pris*mat"ic\, Prismatical \Pris*mat"ic*al\, a. [Cf.
F. prismatique.]
1. Resembling, or pertaining to, a prism; as, a prismatic
form or cleavage.
[1913 Webster]
2. Separated or distributed by a prism; formed by a prism;
as, prismatic colors.
[1913 Webster]
3. (Crystallog.) Same as Orthorhombic.
[1913 Webster]
Prismatic borax (Chem.), borax crystallized in the form of
oblique prisms, with ten molecules of water; --
distinguished from octahedral borax.
Prismatic colors (Opt.), the seven colors into which light
is resolved when passed through a prism; primary colors.
See Primary colors, under Color.
Prismatic compass (Surv.), a compass having a prism for
viewing a distant object and the compass card at the same
time.
Prismatic spectrum (Opt.), the spectrum produced by the
passage of light through a prism.
[1913 Webster] |
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