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1

blot

play
noun \ˈblät\

Definition of blot

  1. 1 :  a soiling or disfiguring mark :  spot

  2. 2 :  a mark of reproach :  moral flaw

  3. 3 :  a usually nitrocellulose or nylon sheet that contains spots of immobilized macromolecules (as of DNA, RNA, or protein) or their fragments and is used to identify specific components of the spots by applying a molecular probe (as a complementary nucleic acid or a radio labeled antibody) — compare southern blot, western blot



Origin of blot

Middle English


First Known Use: 14th century


2

blot

verb

Simple Definition of blot

  • : to dry (something, such as wet ink) by pressing a piece of cloth or paper over it

Full Definition of blot

blot·tedblot·ting

  1. transitive verb
  2. 1 :  to spot, stain, or spatter with a discoloring substance

  3. 2 obsolete :  mar; especially :  to stain with infamy

  4. 3 a :  to dry (as writing) with an absorbing agent b :  to remove with absorbing material <blotting up spilled water>

  5. intransitive verb
  6. 1 :  to make a blot

  7. 2 :  to become marked with a blot

Examples of blot

  1. Don't rub the wine stain. Blot it dry with a paper towel.

  2. Blot your lipstick with a tissue.



15th Century

First Known Use of blot

15th century


3

blot

noun

Definition of blot

  1. 1 :  a lone backgammon man exposed to capture

  2. 2 archaic :  a weak or exposed point



Origin of blot

perhaps from Dutch bloot naked, exposed, from Middle Dutch; akin to Middle High German bloz bare


First Known Use: 1595



BLOT Defined for Kids

1

blot

play
noun \ˈblät\

Definition of blot

  1. 1 :  a spot or stain of dirt or ink

  2. 2 :  a mark of shame or dishonor <The lie was a blot on my record.>




2

blot

play
verb

Definition of blot

blot·tedblot·ting

  1. 1 :  2spot 1

  2. 2 :  to dry by pressing with paper or cloth

blot out
  1. 1 :  to make (something) difficult to see <Clouds blotted out the sun.>

  2. 2 :  to destroy completely <No apology could blot out what I had said … — Robert Louis Stevenson, Kidnapped>




Medical Dictionary

blot

play
noun \ˈblät\

Medical Definition of blot

  1. :  a nitrocellulose sheet that contains spots of immobilized macromolecules (as of DNA, RNA, or protein) or their fragments and that is used to identify specific components of the spots by applying a suitable molecular probe (as a complementary nucleic acid or a radiolabeled antibody)—see northern blot, southern blot, western blot

  2. blot transitive verb





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