= catalytic, adj. n., in cat cracker, cat cracking, etc. (cf. catalytic, adj. n.).
| 单词 | θ70294 |
| 释义 | the world > matter > chemistry > organic chemistry > chemical processes or reactions > [noun] > petroleum processes > catalytic cracking > device for (2) cat cracker1943 = catalytic, adj. n., in cat cracker, cat cracking, etc. (cf. catalytic, adj. n.). catalytic cracker1951 the device in which catalytic cracking is carried out; cf. crack, v. 23. |
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