n. 距离极短的, 间不容发的宽度

Hairbreadth \Hair"breadth`\ (-br[e^]dth), Hair's breadth
\Hair's" breadth`\ (h[^a]rz"-).
The diameter or breadth of a hair; a very small distance;
sometimes, definitely, the forty-eighth part of an inch.
[Also spelled {hairsbreadth}.]

Every one could sling stones at an hairbreadth and not
miss. --Judg. xx.
16.


Hairbreadth \Hair"breadth`\, a.
Having the breadth of a hair; very narrow; as, a hairbreadth
escape.