Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ammoniated is an adjective meaning "combined or treated with ammonia". It carries one recorded sense.
combined or treated with ammonia
“ammoniated mercury”
Definitions, synonyms and semantic relations for ammoniated come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.