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
Related formsblot·less, adjectiveblot·ting·ly, adverbblot·ty, adjectiveun·blot·ted, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for blot out

blot

[ blŏt ]

n.

The Northern, Southern, or Western blot analyses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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.”

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.