Definition of heterochromosome in English:

heterochromosome

Syllabification: het·er·o·chro·mo·some
Pronunciation: /ˌhetərōˈkrōməˌsōm
 
/

noun

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody