hard-boil

[ hahrd-boil ]
/ ˈhɑrdˈbɔɪl /

verb (used with object)

to boil (an egg) until the yolk and white have become firm or solid.

Origin of hard-boil

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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