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| 单词 | contact action |
| 释义 | > as lemmascontact action contact action n. Chemistry = catalysis n. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > processes or substances affecting reactions > catalysis catalysis1836 contact action1859 1859 Todd's Cycl. Anat. & Physiol. V. 138/1 To be referred to the class of ‘contact actions’. 1882 H. Watts Dict. Chem. II. 12 Examples of these contact actions are found both in inorganic and in organic chemistry. < as lemmas |
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