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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈɔːpɪmənt/
General-American:/ˈɔɹpəmənt/
CMU ARPABET:AO1 R P AH0 M AH0 N T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Arsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment.
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
2
noun
Meaning 2
a yellow mineral occurring in conjunction with realgar; an ore of arsenic
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: mineral
History
Etymology
From Middle English orpyment, from Old French orpiment, from Latin auripigmentum (“orpiment”), from aurum (“gold”) + pigmentum (“pigment”).
Across languages
Translations
30 source translations are retained for this English entry.
