| 单词 | contaminate |
| 释义 | contaminate —contaminable, adj. —contaminative, adj. —contaminator, n. —contaminous, adj. v. /keuhn tam"euh nayt'/; n. , adj. /keuhn tam"euh nit, -nayt'/, v. , contaminated, contaminating, n. , adj. v.t. 1. to make impure or unsuitable by contact or mixture with something unclean, bad, etc.: to contaminate a lake with sewage. 2. to render harmful or unusable by adding radioactive material to: to contaminate a laboratory. n. 3. something that contaminates or carries contamination; contaminant. adj. 4. Obs. contaminated. [1375-1425; late ME contaminaten < L contaminatus, ptp. of contaminare to defile, spoil, equiv. to con- CON- + -taminare, v. deriv. of *tamen something touched < *tag-s-men, equiv. to tag-, var. s. of tangere to touch + -s-men resultative n. suffix; cf. EXAMEN] Syn. 1. defile, pollute, taint, infect, poison, corrupt. |
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