Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
neo-darwinism is a noun meaning "a modern Darwinian theory that explains new species in terms of genetic mutations". It carries one recorded sense.
a modern Darwinian theory that explains new species in terms of genetic mutations
Definitions, synonyms and semantic relations for neo-darwinism come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.