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