blot1

[blot] /blɒt/
noun
1.
a spot or stain, especially of ink on paper.
2.
a blemish on a person's character or reputation:
He had been haunted by a blot on his past.
3.
Archaic. an erasure or obliteration, as in a writing.
verb (used with object), blotted, blotting.
4.
to spot, stain, soil, or the like.
5.
to darken; make dim; obscure or eclipse (usually followed by out):
We watched as the moon blotted out the sun.
6.
to dry with absorbent paper or the like:
to blot the wet pane.
7.
to remove with absorbent paper or the like.
verb (used without object), blotted, blotting.
8.
to make a blot; spread ink, dye, etc., in a stain:
The more slowly I write, the more this pen blots.
9.
to become blotted or stained:
This paper blots too easily.
10.
Chemistry. to transfer an array of separated components of a mixture to a chemically treated paper for analysis.
Compare gel, gel electrophoresis.
Verb phrases
11.
blot out,
  1. to make indistinguishable; obliterate:
    to blot out a name from the record.
  2. to wipe out completely; destroy:
    Whole cities were blotted out by bombs.
Origin
1275-1325; (noun) Middle English blotte, akin to Old Norse blettr blot, spot, stain; (v.) late Middle English blotten, derivative of the noun
Related forms
blotless, adjective
blottingly, adverb
blotty, adjective
unblotted, adjective
Synonyms
1. blotch, ink stain. 2. stain, taint, dishonor, disgrace, spot. 4. sully, disfigure. 5. obliterate, efface, erase, expunge. 7. absorb.

blot2

[blot] /blɒt/
noun
1.
Backgammon. an exposed piece liable to be taken or forfeited.
2.
Archaic. an exposed or weak point, as in an argument or course of action.
Origin
1590-1600; < Low German blat, akin to bloot bare, exposed, unprotected; cognate with Dutch bloot, German bloss bare
Examples from the web for blot
  • blot any juice from the cut end, then tap it onto your ink pad to cover the star's entire surface.
  • For milder stains, mix club soda and cornstarch on a rag, and then blot the affected area.
  • The key is to blot out the lighthouse while leaving a clear view of the firefly.
  • Grief is causing him to blot out much of this celebratory season.
  • To blot for one blest moment each vile thought of sin.
  • Surely, sir, a blot or two of a warm afternoon is not to be severely urged against gray hairs.
  • They felt that it was high-handed and brutal, and that it fixed an indelible blot on the national conscience.
  • Both developments make the time ripe for dealing with perhaps the biggest blot on the world's trading system: agriculture.
  • Make-work schemes mop up some of the jobless, but may blot a curriculum vitae.
  • The astronomer lowers his gaze from the growing ink blot in the sky and looks towards the horizon.
British Dictionary definitions for blot

blot1

/blɒt/
noun
1.
a stain or spot of ink, paint, dirt, etc
2.
something that spoils or detracts from the beauty or worth of something
3.
a blemish or stain on one's character or reputation
verb blots, blotting, blotted
4.
(of ink, dye, etc) to form spots or blobs on (a material) or (of a person) to cause such spots or blobs to form on (a material)
5.
(informal) blot one's copybook, to spoil one's reputation by making a mistake, offending against social customs, etc
6.
(intransitive) to stain or become stained or spotted
7.
(transitive) to cause a blemish in or on; disgrace
8.
to soak up (excess ink, etc) by using blotting paper or some other absorbent material
9.
(of blotting paper or some other absorbent material) to absorb (excess ink, etc)
10.
(transitive) often foll by out
  1. to darken or hide completely; obscure; obliterate
  2. to destroy; annihilate
Word Origin
C14: probably of Germanic origin; compare Middle Dutch bluysterblister

blot2

/blɒt/
noun
1.
(backgammon) a man exposed by being placed alone on a point and therefore able to be taken by the other player
2.
(archaic) a weak spot
Word Origin
C16: perhaps from Middle Dutch bloot poor
Word Origin and History for blot
n.

late 14c., originally "blemish," perhaps from Old Norse blettr "blot, stain," or from Old French blot, variant of bloc "block," or blestre "blister, lump, clump of earth."

v.

early 15c., "to make blots;" mid-15c. "to blot out, obliterate" (words), from blot (n.). Related: Blotted; blotting.

blot in Medicine

blot (blŏt)
n.
The Northern, Southern, or Western blot analyses.

blot in the Bible

a stain or reproach (Job 31:7; Prov. 9:7). To blot out sin is to forgive it (Ps. 51:1, 9; Isa. 44:22; Acts 3:19). Christ's blotting out the handwriting of ordinances was his fulfilling the law in our behalf (Col. 2:14).