FluentPlex

keratin

/ˈkɛɹətɪn/ noun C2
  1. The protein of which hair and nails are composed. (countable, uncountable)

Plural keratins

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.