- protractor
- protractor 1610s, "one who lengthens (an action)," agent noun from L. protrahere (see PROTRACT (Cf. protract)); sense of "instrument for drawing angles" first recorded 1650s.
Etymology dictionary. 2014.
protractor
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Protractor — Pro*tract or, n. 1. One who, or that which, protracts, or causes protraction. [1913 Webster] 2. A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular,… … The Collaborative International Dictionary of English
protractor — PROTRACTÓR, OÁRE adj., s. m. (muşchi) care are rolul de a întinde un membru sau o parte a corpului spre înainte. (< fr. protracteur) Trimis de raduborza, 15.09.2007. Sursa: MDN … Dicționar Român
protractor — the instrument used in geometry, is spelt or, not er … Modern English usage
protractor — ► NOUN ▪ an instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge … English terms dictionary
protractor — [prō′trak΄tər, prō trak′tər] n. [ML] 1. a person or thing that protracts 2. an instrument in the form of a graduated semicircle, used for plotting and measuring angles 3. Anat. a muscle that protracts, or extends, a limb … English World dictionary
Protractor — In geometry, a protractor is a circular or semicircular tool for measuring an angle or a circle. The units of measurement utilized are usually degrees.Some protractors are simple half discs; these have existed since ancient times. More advanced… … Wikipedia
protractor — /proh trak teuhr, preuh /, n. 1. a person or thing that protracts. 2. (in surveying, mathematics, etc.) an instrument having a graduated arc for plotting or measuring angles. 3. Anat. a muscle that causes a part to protrude. [1605 15; < ML; see… … Universalium
protractor — A semicircular tool for the measurement and construction of angles. On the flat side of the protractor in the middle is either a hole or cross hairs. This is where the vertex (point of the angle) must go when measuring. Usually a horizontal… … Glossary of Art Terms
protractor — matlankis statusas T sritis Standartizacija ir metrologija apibrėžtis Įtaisas kampams matuoti ir žymėti brėžinyje. atitikmenys: angl. angle protractor; protractor; semicircular protractor vok. Winkelmesser, n rus. транспортир, m pranc. demi… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
protractor — matlankis statusas T sritis fizika atitikmenys: angl. angle protractor; protractor; semicircular protractor vok. Transporteur, m; Winkelmesser, n rus. транспортир, m pranc. demi cercle gradué, m; rapporteur, m … Fizikos terminų žodynas
