noun Usage: often attributive Etymology: French protéine, from Late Greek prōteios primary, from Greek prōtos first — more at prot- Date: circa 1844 1. any of various naturally occurring extremely complex substances that consist of amino-acid residues joined by peptide bonds, contain the elements carbon, hydrogen, nitrogen, oxygen, usually sulfur, and occasionally other elements (as phosphorus or iron), and include many essential biological compounds (as enzymes, hormones, or antibodies) 2. the total nitrogenous material in plant or animal substances

New Collegiate Dictionary. 2001.

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  • Protein — Pro te*in, n. [Gr. prw^tos first: cf. prwtei^on the first place.] (Physiol. Chem.) any polymer of an amino acid joined by peptide (amide) bonds. Most natural proteins have alpha amino acids as the monomeric constituents. All classical enzymes are …   The Collaborative International Dictionary of English

  • Protein — Sn Eiweißkörper per. Wortschatz fach. (19. Jh.) Neoklassische Bildung. Der niederländische Chemiker G. J. Mulder glaubte, bei seinen Untersuchungen die Grundsubstanz organischen Lebens entdeckt zu haben, und gab ihr nach Vorschlag von Berzelius… …   Etymologisches Wörterbuch der deutschen sprache

  • Protein — Pro te*in, n. (Physiol. Chem.) 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… …   The Collaborative International Dictionary of English

  • protein — protein. См. белок. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Protein — Protein, s. Kleber …   Meyers Großes Konversations-Lexikon

  • Proteïn — Proteïn, eiweißstoffartiger Körper welcher als Zersetzungsproduct des Pflanzenalbumins, des Pflanzencaseïns und des Pflanzenfibrins gewonnen wird, in den Austern aber frei vorkommt. Obige Pflanzenbestandtheile nennt man auch P. verbindungen; sie… …   Herders Conversations-Lexikon

  • protein — v. proteo . Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • protein — 1844, from Fr. protéine, coined 1838 by Dutch chemist Gerhard Johan Mulder (1802 1880), perhaps on suggestion of Berzelius, from Gk. proteios the first quality, from protos first (see PROTO (Cf. proto )). Originally a theoretical substance… …   Etymology dictionary

  • protein — ► NOUN ▪ any of a class of organic compounds forming structural components of body tissues and constituting an important part of the diet. ORIGIN from Greek pr teios primary …   English terms dictionary

  • protein — [prō′tēn΄, prō′tē in] n. [Ger < Fr protéine < Gr prōteios, prime, chief < prōtos, first (see PROTO ): from being a chief constituent of plant and animal bodies] any of a large class of complex polymers consisting of long chains of… …   English World dictionary

  • protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …   Universalium

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