| 单词 | segment of a circle |
| 释义 | > as lemmassegment of a circle a. Geometry. A plane figure contained by a right line and a portion of the circumference of a circle. In full segment of a circle. Also, see quot. 1728.In quot. a1631 loosely used for arc. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > figure forming part of circle nook cantle1551 quadrate1551 quadrant1559 section1570 sector1570 segment1570 sextant1628 half-round1718 octant1753 1570 H. Billingsley tr. Euclid Elements Geom. iii. f. 81v A section or segment of a circle, is a figure comprehended vnder a right line and a portion of the circumference of a circle. a1631 J. Donne Serm. (1954) VII. 244 The earth it selfe being round, every step wee make upon it, must necessarily bee a segment, an arch of a circle. 1728 E. Chambers Cycl. (at cited word) Segment is also applied by Extension, to Ellipses and other Curvilinear Figures. 1806 C. Hutton Course Math. (ed. 5) I. 42 To find the Area of any Elliptic Segment. Find the area of a corresponding circular segment. < as lemmas |
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