an infinite sequence, x 1 , x 2 , …, whose terms are points in Ek, in which there exists a point y such that the limit as n goes to infinity of xn = y if and only if for every ε>0, there exists a number N such that i > N and j > N implies | xi − xj |< ε. Also called Cauchy sequence, convergent sequence. Compare (def 10b).
noun, Astronomy. 1. one of a number of stars with positions that have been determined accurately and that are used as reference stars for the determination of positions of other celestial objects.
noun, Physics. 1. . noun, Physics. 1. one of the units, as mass, length, time, or electric current, taken as a basis for a system of units in the sciences. noun 1. one of a set of unrelated units that form the basis of a system of units. For example, the metre, kilogram, and second […]
fundectomy fun·dec·to·my (fŭn-děk’tə-mē) n. See fundusectomy.
noun 1. a debt, as in the form of bonds, having a long period of maturity. noun 1. the part of the national debt, consisting mostly of consols, that the government has no obligation to repay by a specified date