very thin, as thin as a hair
A fishing line made from hair.
The line along one's forehead where hair starts growing.
A very thin line in writing, drawing, or typography.
A very thin fissure.
fairly short and of slim build.
Small, little; insignificant; petty.
of small size.
A mutant first discovered in the yeast Saccharomyces cerevisiae, forming small colonies when grown in the presence of fermentable carbon sources such as glucose.