Definitions

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

  • n. A spherical or elongated organelle in the cytoplasm of nearly all eukaryotic cells, containing genetic material and many enzymes important for cell metabolism, including those responsible for the conversion of food to usable energy. Also called chondriosome.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A spherical or ovoid organelle found in the cytoplasm of eukaryotic cells, contains genetic material separate from that of the host; it is responsible for the conversion of food to usable energy in the form of ATP.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an organelle containing enzymes responsible for producing energy

Etymologies

New Latin : Greek mitos, warp thread + Greek khondrion, diminutive of khondros, grain, granule; see ghrendh- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek μίτος (mitos, "thread") + χονδρίον (chondrion), diminutive of χόνδρος (chondros, "grain, morsel") (Wiktionary)

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