Open-hearth steel

Open-hearth steel
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. [1913 Webster]

Through the gate, Wide open and unguarded, Satan passed. --Milton [1913 Webster]

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. [1913 Webster]

His ears are open unto their cry. --Ps. xxxiv. 15. [1913 Webster]

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. [1913 Webster]

If Demetrius . . . have a matter against any man, the law is open and there are deputies. --Acts xix. 33. [1913 Webster]

The service that I truly did his life, Hath left me open to all injuries. --Shak. [1913 Webster]

3. Free or cleared of obstruction to progress or to view; accessible; as, an open tract; the open sea. [1913 Webster]

4. Not drawn together, closed, or contracted; extended; expanded; as, an open hand; open arms; an open flower; an open prospect. [1913 Webster]

Each, with open arms, embraced her chosen knight. --Dryden. [1913 Webster]

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. [1913 Webster]

With aspect open, shall erect his head. --Pope. [1913 Webster]

The Moor is of a free and open nature. --Shak. [1913 Webster]

The French are always open, familiar, and talkative. --Addison. [1913 Webster] (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. [1913 Webster +PJC]

His thefts are too open. --Shak. [1913 Webster]

That I may find him, and with secret gaze Or open admiration him behold. --Milton. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

8. Free; disengaged; unappropriated; as, to keep a day open for any purpose; to be open for an engagement. [1913 Webster]

9. (Phon.) (a) Uttered with a relatively wide opening of the articulating organs; -- said of vowels; as, the ["a]n f["a]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. [1913 Webster]

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. [1913 Webster]

{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. [1913 Webster]

Note: Open is used in many compounds, most of which are self-explaining; as, open-breasted, open-minded. [1913 Webster]

Syn: Unclosed; uncovered; unprotected; exposed; plain; apparent; obvious; evident; public; unreserved; frank; sincere; undissembling; artless. See {Candid}, and {Ingenuous}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Open-hearth steel — See under {Open}. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • open-hearth steel furnace — Marteno krosnis statusas T sritis chemija apibrėžtis Krosnis plienui lydyti iš ketaus, plieno laužo. atitikmenys: angl. open hearth steel furnace rus. мартеновская печь …   Chemijos terminų aiškinamasis žodynas

  • Open hearth — 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… …   The Collaborative International Dictionary of English

  • Open-hearth furnace — 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… …   The Collaborative International Dictionary of English

  • Open-hearth process — 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… …   The Collaborative International Dictionary of English

  • open-hearth — adjective of or relating to or produced by the open hearth process open hearth steel • Pertains to noun: ↑open hearth furnace …   Useful english dictionary

  • open-hearth — adjective Date: 1881 of, relating to, involving, or produced in the open hearth process < open hearth steel > …   New Collegiate Dictionary

  • open-hearth — [ō′pən härth′] adj. 1. designating a furnace with a wide, saucer shaped hearth and a low roof, used in making steel 2. using a furnace of this kind [the open hearth process] …   English World dictionary

  • Open hearth furnace — Engineering portal …   Wikipedia

  • open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls. [1885 90] * * * or Siemens Martin process Steelmaking… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”