Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
crossbreeding is a noun meaning "(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids". It carries 2 recorded senses.
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
genetics
reproduction by parents of different races (especially by white and non-white persons)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for crossbreeding come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.