pro|tein

pro|tein
pro|tein «PROH teen, -tee ihn», noun, adjective.
–n.
1. one of the substances containing nitrogen, carbon, hydrogen, and oxygen, that is a necessary part of the cells of animals and plants. Meat, milk, cheese, eggs, and beans contain protein. Proteins are built up of amino acids. They are complex organic compounds, essential to the functioning as well as the structure of all organic cells.
2. (formerly) the nitrogenous substances once thought to be the essential constituents of all animals and plants.
–adj.
of or containing protein.
[< German Protein < Greek prōteîos of the first quality (< prôtos first) + German -inin]
pro´tein|like´, adjective.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • pro|tein|ic — «proh TEEN ihk, tee IHN », adjective. = proteinaceous. (Cf. ↑proteinaceous) …   Useful english dictionary

  • pro|tein|u|ri|a — «proh tuh NUR ee uh, TEE uh », noun. the presence of protein in the urine …   Useful english dictionary

  • pro´tein|like´ — pro|tein «PROH teen, tee ihn», noun, adjective. –n. 1. one of the substances containing nitrogen, carbon, hydrogen, and oxygen, that is a necessary part of the cells of animals and plants. Meat, milk, cheese, eggs, and beans contain protein.… …   Useful english dictionary

  • pro|tein|a|ceous — «PROH tuh NAY shuhs, tee uh », adjective. of or like protein: »A rather starchy seed like the wheat grain will imbibe relatively little water, while a proteinaceous one like the pea will absorb a great deal (Science News Letter) …   Useful english dictionary

  • pro|tein|ase — «PROH tuh nays, tee uh », noun. any of various proteases that change proteins to polypeptides …   Useful english dictionary

  • pro|tein|oid — «PROH tuh noyd, tee uh », noun. a proteinlike substance made by polymerization of a number of amino acids common to protein: »Proteinoids…might represent the first evolutionary step along the road that led to the true proteins and eventually to… …   Useful english dictionary

  • pro·tein — /ˈproʊˌtiːn/ noun, pl teins : a substance found in foods (such as meat, milk, eggs, and beans) that is an important part of the human diet [noncount] You need more protein in your diet. These foods are an excellent source of protein …   Useful english dictionary

  • al|pha|fe|to|pro|tein — «AL fuh FEE tuh PROH teen, tee ihn», noun. a protein of undetermined function produced in the liver by the fetus and by persons suffering from some diseases, such as hepatitis. A high level of alphafetoprotein in the blood serum of a pregnant… …   Useful english dictionary

  • chro|mo|pro|tein — «KROH muh PROH teen, tee ihn», noun. a conjugated protein containing a pigment that gives color to the compound, such as a hemoglobin or a flavoprotein. ╂[< Greek chrôma color + English protein] …   Useful english dictionary

  • de|ox|y|ri|bo|nu|cle|o|pro|tein — «dee OK suh RY boh NOO klee oh PROH teen, tee ihn; NYOO », noun. a nucleoprotein containing deoxyribose …   Useful english dictionary

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