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.
US:/juːˈkloːɹɪn/
UK:/juːˈklɔːɹɪn/
1
noun
Meaning 1
A rare emerald-green sulfate mineral found as a natural sublimate in fumaroles around volcanic eruptions, and having the chemical formula KNaCu3(SO4)3O).
Definition source: English Wiktionary via Wiktextract