Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
cross-fertilisation is a noun meaning "fertilization by the union of male and female gametes from different individual of the same species". It carries 2 recorded senses.
fertilization by the union of male and female gametes from different individual of the same species
interchange between different cultures or different ways of thinking that is mutually productive and beneficial
“the cross-fertilization of science and the creative arts”
Definitions, synonyms and semantic relations for cross-fertilisation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.