| 单词 | negative quantity |
| 释义 | > as lemmasnegative quantity negative quantity n. Mathematics a number or amount that is less than zero. ΚΠ 1673 J. Wallis Let. 29 Mar. in S. P. Rigaud & S. J. Rigaud Corr. Sci. Men 17th Cent. (1841) (modernized text) II. 557 Not-withstanding the impossibility of..the square root of a negative quantity. 1730 Philos. Trans. 1729–30 (Royal Soc.) 36 86 By substituting a, b, c, d for e in the Quantity 4e3 − 3Ae2 + 2Be − C, it becomes alternatively a positive and a negative Quantity. 1859 B. Smith Arith. & Algebra (ed. 6) 201 The square root or even any root of a negative quantity is called an imaginary quantity. 1910 Encycl. Brit. I. 599/2 The principal step in the modern development of algebra was the recognition of the meaning of negative quantities. 1997 Computerworld (Nexis) 24 Feb. 30 The company found that the software that ran its site..mistakenly allowed customers to order negative quantities of books. < as lemmas |
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