Standard Lemma guide

cementite

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

A form of iron carbide, Fe3C, that is a component of steel.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: iron, metal, material

2

noun

Meaning 2

a chemical compound that is a constituent of steel and cast iron; very hard and brittle

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: iron carbide

Antonyms: none provided

Broader terms: compound, chemical compound

History

Etymology

From cement + -ite.