Akademik

kerat-
or kerato-
— see cerat-

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var. of kerato- before a vowel: keratitis.

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kerat-,
combining form. the form of kerato- (Cf.kerato-) before vowels, as in keratin.

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comb. form variant spelling of kerato- shortened before a vowel (as in keratectomy)

Useful english dictionary. 2012.