Definition of "molting" [molting]

• Present participle of molt. (verb)

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• "Ecdysone therefore is sometimes called molting hormone."
• "Once a year, for the duration of their lives, penguins lose and replace every single feather on their bodies in a process called molting."
• "This process of casting off the old skin is called molting, and is repeated four times during the one, two, three or more weeks of larval life."