Origin of blot

1
1275–1325; (noun) Middle English blotte, akin to Old Norse blettr blot, spot, stain; (v.) late Middle English blotten, derivative of the noun

OTHER WORDS FROM blot

blot·less, adjective blot·ting·ly, adverb blot·ty, adjective un·blot·ted, adjective

British Dictionary definitions for blot out (1 of 2)

blot 1
/ (blɒt) /

noun

verb blots, blotting or blotted

Word Origin for blot

C14: probably of Germanic origin; compare Middle Dutch bluyster blister

British Dictionary definitions for blot out (2 of 2)

blot 2
/ (blɒt) /

noun

backgammon a man exposed by being placed alone on a point and therefore able to be taken by the other player
archaic a weak spot

Word Origin for blot

C16: perhaps from Middle Dutch bloot poor

Medical definitions for blot out

blot
[ blŏt ]

n.

The Northern, Southern, or Western blot analyses.

Idioms and Phrases with blot out

blot out

Obliterate, wipe out of existence or memory, as in At least one Indian nation was blotted out as the pioneers moved west, or The trauma of the accident blotted out all her memory of recent events. This idiom, first recorded in 1516, uses the verb to blot in the sense of making something illegible by spotting or staining it with ink. The New Testament has it (Acts 3:19): “Repent ye ... that your sins may be blotted out.”