单词 | tetrazomal |
释义 | > as lemmastetrazomal tetrazomal adj. (and n.) Brit. /ˌtɛtrəˈzəʊml/ , U.S. /ˌtɛtrəˈzoʊm(ə)l/ Geometry applied to a curve having an equation of the form √U + √V + √W + √T = 0, in relation to which the four curves √U = 0, √V = 0, etc. have properties of the nature of girdling: cf. polyzome n. [ < tetra- comb. form + ancient Greek ζῶμα girdle (see diazoma n.) + -al suffix1.] ΘΚΠ the world > relative properties > number > geometry > curve > [noun] > other quadratrix1656 section1665 family1705 semiparabola1728 tractrix1728 witcha1760 tractory1820 sinusoid1823 tractatrix1828 indicatrix1841 hodograph1847 tetrazomal1867 space curve1875 horograph1879 hypercycle1889 Peano curve1900 multiple arc1967 unknot1971 fractal1975 analemma1978 the world > relative properties > number > geometry > curve > [adjective] > other caustic1728 hypotrochoidal1843 hodographic1847 Pippian1857 tetrazomal1867 trizomal1867 three-bar1875 sinusoidal1878 1867 A. Cayley Coll. Math. Papers VI. 485 On the Trizomal Curve and the Tetrazomal Curve. 1867 A. Cayley Coll. Math. Papers VI. 486 The tetrazomals are each of them a curve of the order 4r, and they intersect therefore in only 16r2 points. < as lemmas |
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