Breadcrumb Home > Thesaurus > K Synonyms of keratin Find synonyms for: Noun 1. keratin, ceratin, scleroprotein, albuminoid usage: a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of keratin (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: mantra Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language