Blot
/blɒt/
noun
A blemish, spot or stain made by a coloured substance.
(by extension) A stain on someone's reputation or character; a disgrace.
A method of transferring proteins, DNA or RNA, onto a carrier.
verb
To cause a blot (on something) by spilling a coloured substance.
To soak up or absorb liquid.
“This paper blots easily.”
To dry (writing, etc.) with blotting paper.