n.
- a dark mark or stain, especially one made by ink.
- a thing that mars something that is otherwise good.
- Biochemistry a procedure in which proteins or nucleic acids separated on a gel are transferred directly to an immobilizing medium for identification.
v.
(blots, blotting, blotted)
- dry with an absorbent material.
- mark, stain, or mar.
-
(blot something out)
obscure a view.
▸disregard a painful memory or thought.
- Biochemistry transfer by means of a blot.
Phrase
- blot one's copybook
Brit. tarnish one's good reputation.
Etymology
ME: prob. of Scand. origin and rel. to ON blettr.