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Related to leukoplast: leukoplakia
leu·ko·plast(lo͞o′kə-plăst′) also leu·co·plast (lo͞o′kə-plăst′)
A colorless plastid in the cytoplasm of plant cells around which starch collects.
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.