| 单词 | chemical compound |
| 释义 | > as lemmaschemical compound a. A compound substance; spec. a compounded drug, as opposed to ‘simples’. chemical compound, a substance composed chemically of two or more elements in definite proportions (as opposed to a mixture). ΘΚΠ the world > relative properties > wholeness > mutual relation of parts to whole > condition or state of being mixed or blended > [noun] > a mixture > substance consisting of mixed elements mixtion1481 mixed bodya1500 mixture1604 compounda1616 mixt1644 mixtum1656 the world > matter > chemistry > elements and compounds > [noun] > compounds chemical compound1808 a1616 W. Shakespeare Cymbeline (1623) i. v. 8 These most poysonous Compounds . View more context for this quotation a1656 Bp. J. Hall Shaking of Olive-tree (1660) ii. 52 As we say in our philosophy..only compounds nourish. 1808 J. Dalton New Syst. Chem. Philos. I. i. 216 All the chemical compounds which have hitherto obtained a tolerably good analysis. 1815 J. Smith Panorama Sci. & Art I. 42 Compounds formed by the mixture of two or more different metals, are called alloys. 1866 H. E. Roscoe Lessons Elem. Chem. v. 46 The air is a mixture, and not a chemical compound of its constituent gases. 1878 T. H. Huxley Physiography (ed. 2) 80 Compounds which contain a larger proportion of oxygen. 1887 I. Remsen Elem. Chem. (1897) i. 9 Mechanical Mixtures and Chemical Compounds.—In a mixture the substances are unchanged... In a chemical compound the substances which are in combination are completely changed. 1950 Sci. News 15 103 Proteins are by far the most complex chemical compounds. < as lemmas |
| 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。