1. countable noun [usually singular, oft poss NOUN]
Your hairline is the edge of the area where your hair grows on your head.
Joanne had a small dark birthmark near her hairline.
His hairline had receded slightly over the years.
2. adjective [ADJECTIVE noun]
A hairline crack or gap is very narrow or fine.
There's a hairline crack in the rim of that jar.
He suffered a hairline fracture of the right index finger.
hairline in British English
(ˈhɛəˌlaɪn)
noun
1.
the natural margin formed by hair on the head
2.
a.
a very narrow line
b.
(as modifier)
a hairline crack
3. printing
a.
a thin stroke in a typeface
b.
any typeface consisting of such strokes
c.
thin lines beside a character, produced by worn or poorly cast type
4.
a rope or line of hair
hairline in American English
(ˈhɛrˌlaɪn)
noun
1. Obsolete
a line, cord, etc. made of hair
2.
a very thin line
3.
a.
a very thin stripe
b.
cloth patterned with such stripes
4.
a very narrow margin or degree of difference
5.
the outline of the hair on the head, esp. of the hair above the forehead
6. Printing
a very thin stroke on a typeface or impression
adjective
7.
of or characterized by a tiny crack or small difference
Examples of 'hairline' in a sentence
hairline
The well-known tamer survived with just a hairline fracture to her pelvis after colleagues restrained the animal.
Times, Sunday Times (2016)
The well-known tamer survived with just a hairline fracture to her pelvis after colleaguesrestrained the animal.
Times, Sunday Times (2016)
She suffered a hairline fracture of her pelvis and finished sixth.
The Sun (2011)
My hair thinned at the crown and my formerly low hairline on my forehead began to dramatically recede.
The Sun (2012)
The smoker's hairline fractures above her upper lip are virtually the only fissures on her face.
Times, Sunday Times (2016)
Finally, she unlocked the car and from the inside showed me a tiny hairline crack.
Times, Sunday Times (2006)
With a lot of toe injuries you have to make sure there isn't a hairline fracture or crack.
Times, Sunday Times (2014)
But with her tresses up for a visit to the gym, it seemed she was thinning at her hairline.
The Sun (2014)
His highly physical performance has resulted in a hairline fracture on an elbow and injuries to his knees, right ankle and left wrist.
Times, Sunday Times (2015)
It might be a tiny hairline fracture but I can bend it.
Times, Sunday Times (2006)
Oh, and that hairline fracture in your ankle needs some attention, too!
Times, Sunday Times (2015)
It's a fine hairline, knowing the difference.
Times, Sunday Times (2008)
It could be out of true (no longer circular) or have hairline cracks.
Times, Sunday Times (2012)
He needed 10 stitches in his chin and an X-ray showed a hairline crack in his jaw.
The Sun (2012)
The midfielder is recovering after a hairline leg fracture but is unlikely to be in contention to play for the Arsenal first team for a few weeks.
Times, Sunday Times (2016)
Using a facial wipe wrapped around a finger, remove any product from the eyebrows, hairline and nostrils.
Times, Sunday Times (2008)
It was a mystery until we found a hairline crack on the side of a main that was hidden from view, which had been gradually leaking.
Times, Sunday Times (2008)
What is most distinctive in appearance about the claimed portrait is the subject's lower hairline compared with the expansive dome of the conventional image of the playwright.
Times, Sunday Times (2009)
The help points are on either side of the forehead, half-way between the centre of each eyebrowand the hairline.
Andrews, Elizabeth Muscle Management (1991)
I've always had a big forehead but over the last 18 months my hairline has really receded.
The Sun (2012)
She had a hairline fracture in her left leg and did exceptionally well to finish fourth in the 800m but trailed home last in the 1500m final.