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Any of several cytoplasmic organelles, such as chloroplasts, that contain genetic material, have a double membrane, and are often pigmented. Plastids are found in plants, algae, and certain other eukaryotic organisms and have various physiological functions, such as the synthesis and storage of food.

[From Greek plastis, plastid-, feminine of plastēs, molder, from plastos, molded; see plastic.]

plas·tid′i·al (plăs-tĭd′ē-əl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


relating to a plastid
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
However, information about its link to the plastidial fatty alcohol pathway is still lacking.
(Polygonoideae, Polygonaceae), focusing on European taxa: preliminary results and systematic considerations based on rbcL plastidial sequence data.
Tadmor et al., "Enrichment of tomato flavor by diversion of the early plastidial terpenoid pathway," Nature Biotechnology, vol.