Definition of chromoplast in English:


Syllabification: chro·mo·plast
Pronunciation: /ˈkrōməˌplast


  • A colored plastid other than a chloroplast, typically containing a yellow or orange pigment.
    More example sentences
    • In ripening fruit, chloroplasts develop into chromoplasts and there are large changes in stromule number and morphology, particularly in the inner mesocarp cells.
    • Although control of gene expression at the transcriptional level is a key regulatory mechanism controlling carotenogenesis in chromoplasts, it is not the only one.
    • Conversion of chloroplasts to chromoplasts occurs well before flower opening and thus before the reproductive function of the flower commences.


late 19th century: from chromo-2 'color' + Greek plastos 'formed'.

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