Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
antiparallel is an adjective meaning "(especially of vectors) parallel but oppositely directed". It carries one recorded sense.
Definitions, synonyms and semantic relations for antiparallel come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.