释义 |
contaminant|kənˈtæmɪnənt| [f. contaminate v. + -ant.] That which contaminates.
1934in Webster. 1949H. W. Florey Antibiotics I. i. 35 He investigated an accidental contaminant which on examination proved to be a strain of B. mesentericus. 1951Engineering 18 May 588/3 Absorbed films or layers of contaminant appear to play a decisive part. |