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plastid

[ plas-tid ]

noun

, Cell Biology.
  1. a small, double-membraned organelle of plant cells and certain protists, occurring in several varieties, as the chloroplast, and containing ribosomes, prokaryotic DNA, and, often, pigment.


plastid

/ ˈplæstɪd /

noun

  1. any of various small particles in the cytoplasm of the cells of plants and some animals that contain pigments, starch, oil, protein, etc See chromoplast
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


plastid

/ plăstĭd /

  1. An organelle found in the cells of plants, green algae, red algae, and certain other protists. Like mitochondria, plastids have an inner and outer membrane, and contain their own DNA and ribosomes. Some plastids, such as the chloroplasts in plant leaves, contain pigments.


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Word History and Origins

Origin of plastid1

1875–80; < German Plastide < Greek plastid-, stem of plástis, feminine derivative of plástēs modeler, creator, derivative of plássein to form
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Word History and Origins

Origin of plastid1

C19: via German from Greek plastēs sculptor, from plassein to form

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