Etymology

proteid

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Today it means: A protein. Full definition →

First used 19th–20th c.
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proteid · noun, adjective1

From prote(in) + -id(e). Originally introduced because of a perceived ambiguity over the use of protein.

proteid · noun2

From scientific Latin Proteus (genus name) + -id.

First known use, by meaning

  • 19th–20th c. A protein.
  • from 19th c. A salamander of the family Proteidae, comprising the European olm (Proteus anguinus) and the mud puppy and waterdogs of North America (genus Necturus).

Etymology from Wiktionary, CC BY-SA 4.0.