Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
apochromatic is an adjective meaning "corrected for both chromatic and spherical aberration". It carries one recorded sense.
Definitions, synonyms and semantic relations for apochromatic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.