Phrase guide

black oxide

noun · 2 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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1

noun

Meaning 1

Any of several coatings for steels or copper; some are oxides (mainly iron(II,III) oxide), some are nitrites or nitrates, and some are selenides; all are black; the main purposes are the antireflective and cosmetic effects; the anticorrosion effects are small.

Definition source: English Wiktionary via Wiktextract

Usage: countable, idiomatic, uncountable

Examples

  • Near-synonym: blackening
  • hot black oxide
  • cold black oxide

Meaning relationships

Synonyms: blackening

Antonyms: none provided

Broader terms: coating, finish, substance, material

2

noun

Meaning 2

Used other than figuratively or idiomatically: any oxide that is black; often, iron(II,III) oxide.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: oxide, compound, substance, material

History

Etymology

No etymology was provided for this word.