Definition of chromoplast in English:

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Pronunciation: /ˈkrəʊməplast/
Pronunciation: /ˈkrəʊməplɑːst/


A coloured plastid other than a chloroplast, typically containing a yellow or orange pigment.
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 'colour' + Greek plastos 'formed'.

For editors and proofreaders

Line breaks: chromo|plast

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