| slovo | definícia |
Open hearth
(gcide) | Open \O"pen\, a. [AS. open; akin to D. open, OS. opan, G. offan,
Icel. opinn, Sw. ["o]ppen, Dan. aaben, and perh. to E. up.
Cf. Up, and Ope.]
1. Free of access; not shut up; not closed; affording
unobstructed ingress or egress; not impeding or preventing
passage; not locked up or covered over; -- applied to
passageways; as, an open door, window, road, etc.; also,
to inclosed structures or objects; as, open houses, boxes,
baskets, bottles, etc.; also, to means of communication or
approach by water or land; as, an open harbor or
roadstead.
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Through the gate,
Wide open and unguarded, Satan passed. --Milton
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Note: Also, figuratively, used of the ways of communication
of the mind, as by the senses; ready to hear, see,
etc.; as, to keep one's eyes and ears open.
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His ears are open unto their cry. --Ps. xxxiv.
15.
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2. Free to be used, enjoyed, visited, or the like; not
private; public; unrestricted in use; as, an open library,
museum, court, or other assembly; liable to the approach,
trespass, or attack of any one; unprotected; exposed.
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If Demetrius . . . have a matter against any man,
the law is open and there are deputies. --Acts xix.
33.
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The service that I truly did his life,
Hath left me open to all injuries. --Shak.
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3. Free or cleared of obstruction to progress or to view;
accessible; as, an open tract; the open sea.
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4. Not drawn together, closed, or contracted; extended;
expanded; as, an open hand; open arms; an open flower; an
open prospect.
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Each, with open arms, embraced her chosen knight.
--Dryden.
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5. Hence:
(a) Without reserve or false pretense; sincere;
characterized by sincerity; unfeigned; frank; also,
generous; liberal; bounteous; -- applied to personal
appearance, or character, and to the expression of
thought and feeling, etc.
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With aspect open, shall erect his head. --Pope.
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The Moor is of a free and open nature. --Shak.
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The French are always open, familiar, and
talkative. --Addison.
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(b) Not concealed or secret; not hidden or disguised;
exposed to view or to knowledge; revealed; apparent;
as, open schemes or plans; open shame or guilt; open
source code.
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His thefts are too open. --Shak.
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That I may find him, and with secret gaze
Or open admiration him behold. --Milton.
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6. Not of a quality to prevent communication, as by closing
water ways, blocking roads, etc.; hence, not frosty or
inclement; mild; -- used of the weather or the climate;
as, an open season; an open winter. --Bacon.
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7. Not settled or adjusted; not decided or determined; not
closed or withdrawn from consideration; as, an open
account; an open question; to keep an offer or opportunity
open.
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8. Free; disengaged; unappropriated; as, to keep a day open
for any purpose; to be open for an engagement.
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9. (Phon.)
(a) Uttered with a relatively wide opening of the
articulating organs; -- said of vowels; as, the [aum]n
f[aum]r is open as compared with the [=a] in s[=a]y.
(b) Uttered, as a consonant, with the oral passage simply
narrowed without closure, as in uttering s.
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10. (Mus.)
(a) Not closed or stopped with the finger; -- said of the
string of an instrument, as of a violin, when it is
allowed to vibrate throughout its whole length.
(b) Produced by an open string; as, an open tone.
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The open air, the air out of doors.
Open chain. (Chem.) See Closed chain, under Chain.
Open circuit (Elec.), a conducting circuit which is
incomplete, or interrupted at some point; -- opposed to an
uninterrupted, or closed circuit.
Open communion, communion in the Lord's supper not
restricted to persons who have been baptized by immersion.
Cf. Close communion, under Close, a.
Open diapason (Mus.), a certain stop in an organ, in which
the pipes or tubes are formed like the mouthpiece of a
flageolet at the end where the wind enters, and are open
at the other end.
Open flank (Fort.), the part of the flank covered by the
orillon.
Open-front furnace (Metal.), a blast furnace having a
forehearth.
Open harmony (Mus.), harmony the tones of which are widely
dispersed, or separated by wide intervals.
Open hawse (Naut.), a hawse in which the cables are
parallel or slightly divergent. Cf. Foul hawse, under
Hawse.
Open hearth (Metal.), the shallow hearth of a reverberatory
furnace.
Open-hearth furnace, a reverberatory furnace; esp., a kind
of reverberatory furnace in which the fuel is gas, used in
manufacturing steel.
Open-hearth process (Steel Manuf.), a process by which
melted cast iron is converted into steel by the addition
of wrought iron, or iron ore and manganese, and by
exposure to heat in an open-hearth furnace; -- also called
the Siemens-Martin process, from the inventors.
Open-hearth steel, steel made by an open-hearth process; --
also called Siemens-Martin steel.
Open newel. (Arch.) See Hollow newel, under Hollow.
Open pipe (Mus.), a pipe open at the top. It has a pitch
about an octave higher than a closed pipe of the same
length.
Open-timber roof (Arch.), a roof of which the
constructional parts, together with the under side of the
covering, or its lining, are treated ornamentally, and
left to form the ceiling of an apartment below, as in a
church, a public hall, and the like.
Open vowel or Open consonant. See Open, a., 9.
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Note: Open is used in many compounds, most of which are
self-explaining; as, open-breasted, open-minded.
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Syn: Unclosed; uncovered; unprotected; exposed; plain;
apparent; obvious; evident; public; unreserved; frank;
sincere; undissembling; artless. See Candid, and
Ingenuous.
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