单词 | explementary |
释义 | explementaryadj. Mathematics and Surveying. Now rare. Of an angle or arc: that is an explement (explement n. 2) of a given angle or arc. Also of two or more angles or arcs: that are explements of one another. Cf. complementary adj. 1c, supplementary adj. 2c. ΘΚΠ the world > relative properties > number > geometry > angle > [adjective] > other sidelong1654 semirect1656 subtended1759 supplementary1809 explementary1830 reflectional1848 reflex1869 multi-angled1908 1830 P. Morton Geometry iii. ii. 85/2 An angle takes the name of an explementary angle, when together with the adjoining and opposite angle it fills up the whole space about the angular point. 1896 J. A. Gillet Euclidean Geom. iii. i. 115 Equal or explementary arcs of the same circle or of equal circles have equal chords. 1922 C. A. Willis Plane Geom. xii. 179 How many degrees are subtended by the explementary central angle? 1956 Navigation Dict. (U.S. Navy Hydrogr. Office) 77/2 Thus, 150° is the explement of 210° and the two are said to be explementary. This is a new entry (OED Third Edition, September 2016; most recently modified version published online March 2022). < adj.1830 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。