Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
catoptric is an adjective meaning "of or relating to catoptrics; produced by or based on mirrors". It carries one recorded sense.
of or relating to catoptrics; produced by or based on mirrors
Definitions, synonyms and semantic relations for catoptric come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .