operator

operator
1. One who performs an operation or operates equipment. 2. In genetics, a sequence of DNA that interacts with a repressor of operon to control the expression of adjacent structural genes. See o. gene. 3. A symbol representing a mathematical operation. [L. worker, fr operor, to work]

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op·er·a·tor 'äp-(ə-).rāt-ər n
1) one (as a dentist or surgeon) who performs surgical operations
2) a binding site in a DNA chain at which a genetic repressor binds to inhibit the initiation of transcription of messenger RNA by one or more nearby structural genes called also operator gene compare OPERON

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op·er·a·tor (opґər-a-tər) [L. operari to work] a DNA sequence preceding the coding sequence of a structural gene in an operon, to which a regulator protein binds to control transcription of the structural genes in that operon.

Medical dictionary. 2011.

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  • operator — OPERATÓR, OÁRE, operatori, oare s., adj. 1. s.m. şi f. Muncitor calificat care supraveghează funcţionarea unei maşini de lucru, a unui aparat sau care efectuează diverse operaţii cu acestea. ♦ spec. Persoană care mânuieşte aparatul de luat vederi …   Dicționar Român

  • OperaTor — Стартовая страница браузера Тип Браузер Разработчик …   Википедия

  • Operator — «Operator» Sencillo de Blue System del álbum Backstreet Dreams Formato 7 Sencillo y CD Maxi Grabación 1992 Género(s) Synthpop Duración 3:13 …   Wikipedia Español

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  • operator — I {{/stl 13}}{{stl 8}}rz. mos I, Mc. operatororze; lm M. operatororzy {{/stl 8}}{{stl 20}} {{/stl 20}}{{stl 12}}1. {{/stl 12}}{{stl 7}} chirurg przeprowadzający operację {{/stl 7}}{{stl 20}} {{/stl 20}}{{stl 12}}2. {{/stl 12}}{{stl 7}} członek… …   Langenscheidt Polski wyjaśnień

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