Part of the circumference of a circle or other curve.
单词 | θ115752 |
释义 | the world > relative properties > number > geometry > curve > [noun] > part of circle (10) arc1570 Part of the circumference of a circle or other curve. sextans1596 The sixth part of a circle; cf. sextant, n. 3. Obsolete. circumference1656 In looser use. A part of the circumference, an arc. Obsolete. quadrant1660 A quarter of a circle or circular body; (Geometry) (a) a plane figure bounded by two radii of a circle at right angles and the arc cut off by them… quintant1684 Mathematics. One-fifth of the circumference of a circle. Obsolete. rare. sextant1730 The sixth part of a circle; = sextans, n. 2. Obsolete. rare. octant1753 An arc of a circle or of the horizon forming one-eighth of the whole; one-eighth of the area of a circle, contained within two radii at an angle… supplemental arc1754 either of two arcs which together form a semicircle. multiple arc1802 Mathematics and Surveying. An arc that subtends an angle equal to an integral multiple of the angle subtended by a given arc. explement1817 Mathematics and Surveying. An arc which forms a complete circle when combined with a given other arc; (also) the difference between a given angle… |
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