keratinn.

Brit.

/ˈkɛrətɪn/, U.S.

/ˈkɛrətn/

Etymology: < Greek κέρας, κερατ- horn + -in suffix¹.

An organic substance found in horn.

ΚΠ

1849–52 Todd's Cycl. Anat. & Physiol. IV. i. 169/1 The form in which protein exists in hair, horn, nails, and the epidermis, and called by Simon keratine, has been but imperfectly examined.

1873 C. H. Ralfe Outl. Physiol. Chem. 43 Keratin..obtained by treating pounded horny matter..with boiling alcohol and ether.

This entry has not yet been fully updated (first published 1901; most recently modified version published online June 2022).

单词	keratin
释义	keratinn. Brit. /ˈkɛrətɪn/, U.S. /ˈkɛrətn/ Etymology: < Greek κέρας, κερατ- horn + -in suffix¹. An organic substance found in horn. ΚΠ 1849–52 Todd's Cycl. Anat. & Physiol. IV. i. 169/1 The form in which protein exists in hair, horn, nails, and the epidermis, and called by Simon keratine, has been but imperfectly examined. 1873 C. H. Ralfe Outl. Physiol. Chem. 43 Keratin..obtained by treating pounded horny matter..with boiling alcohol and ether. This entry has not yet been fully updated (first published 1901; most recently modified version published online June 2022). < n.1849
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