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