Definition of plastid in English:

plastid

noun

Botany
  • Any of a class of small organelles, such as chloroplasts, in the cytoplasm of plant cells, containing pigment or food.

    • ‘Sieve-tube members are also living cells in leaves, and contain plastids but not chloroplasts.’
    • ‘These protoplasts had a thick cytoplasm with numerous plastids and mitochondria.’
    • ‘This feature is especially obvious in plant cells containing both mitochondria and plastids.’
    • ‘Alternatively, embryo plastids and leaf chloroplasts were prepared as described, but without illumination.’
    • ‘In general, stromules are more abundant in tissues containing non-green plastids, and in cells containing smaller plastids.’

Origin

Late 19th century: from German, based on Greek plastos shaped.

Pronunciation:

plastid

/ˈplastəd/