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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A colorless plastid that forms starch granules and occurs in cells of plant storage tissue.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A specialized leucoplast responsible for the storage of amylopectin through the polymerization of glucose.

from The Century Dictionary and Cyclopedia

  • n. A starch-forming corpuscle or granule, found within the protoplasm of vegetable-cells.


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