Mathematics and Science. That which is conceived as having position but no extent, magnitude, dimension, or direction (as the end of a line, the…
| 单词 | θ115669 |
| 释义 | the world > relative properties > number > geometry > point > [noun] (86) pointa1398 Mathematics and Science. That which is conceived as having position but no extent, magnitude, dimension, or direction (as the end of a line, the… prick1532 A point in space; a mathematical point (= point, n.1 4a). Obsolete. sign1570 Mathematics. A point. Obsolete. rare. punctuma1592 A geometrical point in space; a mathematical point; = point, n.1 4a. Also figurative. Obsolete. punct1638 Mathematics and Science. = point, n.1 4a. mathematical point1659 a point having a position but no magnitude in any dimension. origin1723 Mathematics. A fixed point from which measurement or motion commences; spec. (a) the point of intersection of the axes in Cartesian coordinates… fixed point1778 (a) a place where a policeman is permanently stationed; frequently attributive; cf. point constable n., point policeman n. at point, n.1 compounds… lattice point1857 (a) a point on a graph or in space having integral coordinates; (b) any of the points of which a lattice, esp. a crystal lattice, is composed. pole1879 Mathematics. A point c in whose neighbourhood the magnitude of a function f(z) becomes infinite, but in such a way that, were the function… point of closure1956 Mathematics. The property of being closed (closed, adj. 2); also (const. of), the smallest closed set containing a given set. point of closure: a… Subcategories:— of intersection or contact (28) — on a curve (10) — on a surface or plane (8) — forming a centre (6) — to which other points are referred (1) — character or quality of (2) — continued motion of (1) — sets or groups of points (16) — attractor (3) |
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