Standard Lemma guide

open-hearth

adj · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Describing a reverberatory furnace used to make steel, usually in mass-produced quantities.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • a then-new steel mill with three large open-hearth furnaces

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Designating the steel so produced.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • Early open-hearth steels, beating crucible steels on price but often unable to match their quality, were nonetheless well suited to many applications where extreme strength was superfluous but low cost was essential.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Describing an open hearth in the home, especially in premodern centuries when such hearths were more common.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • the little tricks of open-hearth cooking that she had nearly forgotten after years behind a coal range

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

of or relating to or produced by the open-hearth process

Definition source: Princeton WordNet 3.0

Examples

  • open-hearth steel

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.