keratin
n.
basic substance of horns, nails, feathers, etc., 1847, from Greek keras (genitive keratos) "horn" (see kerato-) + chemical suffix -in(2).
| 词汇 | keratin |
| 词根词缀 | Online Etymology Dictionary keratin n. basic substance of horns, nails, feathers, etc., 1847, from Greek keras (genitive keratos) "horn" (see kerato-) + chemical suffix -in(2). |
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