Word Study
collagen
CIDE DICTIONARY
collagen, n. [Gr. ko`lla glue + -gen.].
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. [1913 Webster]
OXFORD DICTIONARY
collagen, n. a protein found in animal connective tissue, yielding gelatin on boiling.
Etymology
F collag{egrave}ne f. Gk kolla glue + -g{egrave}ne = -GEN
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