Hairline

Noun

 * 1) the line along one's forehead where hair starts growing.
 * It's just a receding hairline -- it's not like you're going bald.
 * 1) the thinnest line that can be drawn using some graphics software

Adjective
hairline


 * 1) very thin, as thin as a hair
 * There was a hairline crack in the airplane's wing.

Thesaurus
band, bar, cross-hatching, dash, delicacy, delicate, delicate distinction, delineation, diagonal, differentia, differential, distinction, dotted line, fine point, finespun, hachure, hairsplitting, hatching, line, lineation, margin, narrow margin, nice, nice distinction, nicety, nuance, particle of difference, point of difference, refined, refinement, score, shade of difference, slash, streak, streaking, striation, strip, stripe, striping, stroke, sublineation, subtle, subtle distinction, subtlety, underline, underlining, underscore, underscoring, virgule, wide margin

Noun

 * Finnish:
 * Hungarian: hajvonal
 * Norwegian:
 * Bokmål:
 * Nynorsk:


 * Finnish:


 * Hungarian: hajszálvonal