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