| 单词 | heat tone |
| 释义 | > as lemmasheat tone heat tone n. = heat toning n. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions (general) > the sum of heat produced in a chemical reaction heat toning1895 heat tone1902 heat tonality1934 1902 H. C. Jones Elements Physical Chem. 286 Since we have reactions which evolve heat.., and also reactions in which heat is absorbed.., the heat tone may be positive or negative. 1940 S. Glasstone Text-bk. Physical Chem. iii. 192 At one time the heat of reaction at constant volume was called the ‘heat tone’ (Wärmetönung) of the reaction; although this term is still used in German scientific literature, its significance is now equivalent to the general expression ‘heat of reaction’, the qualification of constant volume or pressure being added. < 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。