Definitions

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

  • n. The fibrous protein constituent of bone, cartilage, tendon, and other connective tissue. It is converted into gelatin by boiling.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of more than 28 types of glycoprotein that forms elongated fibers, usually found in the extracellular matrix of connective tissue.

from the GNU version of the Collaborative International Dictionary of English

  • n. The chemical basis of ordinary connective tissue, as of tendons or sinews and of bone. On being boiled in water it becomes gelatin or glue.

from The Century Dictionary and Cyclopedia

  • n. etc. See collagen, etc.

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

  • n. a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling

Etymologies

Greek kolla, glue + -gen.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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