Definition of Protractors. Meaning of Protractors. Synonyms of Protractors

Here you will find one or more explanations in English for the word Protractors. Also in the bottom left of the page several parts of wikipedia pages related to the word Protractors and, of course, Protractors synonyms and on the right images related to the word Protractors.

Definition of Protractors

Protractor
Protractor Pro*tract"or, n. 1. One who, or that which, protracts, or causes protraction. 2. A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular. 3. (Surg.) An instrument formerly used in extracting foreign or offensive matter from a wound. 4. (Anat.) A muscle which extends an organ or part; -- opposed to retractor. 5. An adjustable pattern used by tailors. --Knight.

Meaning of Protractors from wikipedia

- (°). Radian-scale protractors measure angles in radians. Most protractors are divided into 180 equal parts. Some precision protractors further divide degrees...
- supporting triangle. However, some widely used navigational protractors, such as the Cras protractor, are not triangles. Vollrath, Hans-Joachim [in German]...
- incorporate a baseplate and protractor tool, and are referred to variously as "orienteering", "baseplate", "map comp****" or "protractor" designs. This type of...
- A French curve is a template usually made from metal, wood or plastic composed of many different curved segments. It is used in manual drafting and in...
- Polygon series (67), for example. [citation needed] Later he began his Protractor Series (71) of paintings, in which arcs, sometimes overlapping, within...
- a rod with a sight at both ends, attached to a stand. If ****ed with protractors, it could be used to measure angles. Gr**** astronomers used the dioptra...
- and testing 90° and 45° angles. The other common types of head are the protractor head, and the centre finder head. Combination square rules are made of...
- Rapporteur Breton), also known as a Portland course plotter or Weems protractor named after later manufacturers producing similar devices, is a navigational...
- education, including pocket calculators, display boards, comp****es and protractors, lunchboxes, and the like. This section contains an incomplete list of...
- angles can be measured with a contact goniometer, which is similar to a protractor. Parting, sometimes called "false cleavage", is similar in appearance...