Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
semitransparent is an adjective meaning "allowing light to pass through diffusely". It carries one recorded sense.
allowing light to pass through diffusely
“translucent amber”
“semitransparent curtains at the windows”
Definitions, synonyms and semantic relations for semitransparent come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.