open-hearth
adjective Date: 1881 of, relating to, involving, or produced in the open-hearth process <
open-hearth steel
>

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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 — [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 — 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 — o′pen hearth′ adj. mel noting, pertaining to, or produced by the open hearth process • Etymology: 1880–85 …   From formal English to slang

  • open hearth — noun 1. : the shallow hearth of a reverberatory melting furnace heated by hot gases above it 2. : an open hearth furnace …   Useful english dictionary

  • open-hearth — /oh peuhn hahrth /, adj. noting, pertaining to, or produced by the open hearth process. [1880 85] * * * …   Universalium

  • open-hearth — /oʊpən ˈhaθ/ (say ohpuhn hahth) adjective denoting a shallow hearth reverberatory furnace for steelmaking, with two openings at each end to admit fuel and air. Combustion takes place over the molten metal charge …   Australian English dictionary

  • open-hearth — adjective a) Describing a reverberatory furnace used to make high quality steel b) Designating the steel so produced …   Wiktionary

  • 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

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