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:/kəˈləʊdiən/
General-American:/kəˈloʊdiən/
rhymes with -əʊdiən
CMU ARPABET:K AH0 L OW1 D IY0 AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A syrupy solution of nitrocellulose (pyroxylin) in alcohol and ether that evaporates on a surface to form a clear elastic film; used in surgical dressings, photographic plates and lacquer paints.
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 colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: solution
History
Etymology
From Medieval Latin collodium, from Ancient Greek κολλώδης (kollṓdēs, “sticky”).
Across languages
Translations
6 source translations are retained for this English entry.