hairline noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of hairline noun from the Oxford Advanced American Dictionary

hairline

noun

NAmE//ˈhɛrlaɪn//

1the edge of a person's hair, especially at the front a receding hairline

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2(often used as an adjective) a very thin crack or line a hairline crack/fracture

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