Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
h.i. is a noun meaning "a group of volcanic and coral islands in the central Pacific". It carries one recorded sense.
a group of volcanic and coral islands in the central Pacific
Definitions, synonyms and semantic relations for h.i. come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.