polyvalent
adj.
1881, from poly- + -valent, from Latin valentem, present participle of valere "be worth" (see valiant). Coined by German chemist Emil Erlenmeyer (1825-1909), who also designed the flask that bears his name.
| 词汇 | polyvalent | 
| 词根词缀 | Online Etymology Dictionary polyvalent adj. 1881, from poly- + -valent, from Latin valentem, present participle of valere "be worth" (see valiant). Coined by German chemist Emil Erlenmeyer (1825-1909), who also designed the flask that bears his name. | 
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