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Definitions of protein

  1. In chemical analysis, the total nitrogenous material in vegetable or animal substances, obtained by multiplying the total nitrogen found by a factor, usually 6.25, assuming most proteids to contain approximately 16 per cent of nitrogen. Webster Dictionary DB
  2. A body now known as alkali albumin, but originally considered to be the basis of all albuminous substances, whence its name. Newage Dictionary DB
  3. An essential or necessary element in food; the muscle-making quality of food; proteid. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  4. The supposed common radical of the group of bodies which form the most essential articles of food, albumen, fibrine, etc. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  5. Albuminous substance ; a nitrogenous compound of cell protoplasm ; the sum-total of nitrogen present in protoplasm ; a term of variable application. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.

Usage examples for protein

  1. A man will die if either water or mineral matter or protein is completely withdrawn from his diet. – The Prospective Mother A Handbook for Women During Pregnancy by J. Morris Slemons
  2. We put a tin of water on the fire and threw in the rice and protein – By Desert Ways to Baghdad by Louisa Jebb