blot

noun (1)
\ˈblät \

Definition of blot 

(Entry 1 of 3)

1 : a soiling or disfiguring mark : spot

2 : a mark of reproach : moral flaw

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 (such as a complementary nucleic acid or a radiolabeled antibody) — compare southern blot, western blot

blot

verb
blotted; blotting

Definition of blot (Entry 2 of 3)

transitive verb

1 : to spot, stain, or spatter with a discoloring substance

2 obsolete : mar especially : to stain with infamy

3a : to dry (something, such as writing) with an absorbing agent hastily blotted her letter

b : to remove with absorbing material blotting up spilled water

intransitive verb

1 : to make a blot

2 : to become marked with a blot

blot

noun (2)

Definition of blot (Entry 3 of 3)

1 : a lone backgammon man exposed to capture

2 archaic : a weak or exposed point

Examples of blot in a Sentence

Verb

Don't rub the wine stain. Blot it dry with a paper towel. Blot your lipstick with a tissue.

First Known Use of blot

Noun (1)

14th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 1

Noun (2)

1595, in the meaning defined at sense 1

History and Etymology for blot

Noun (1)

Middle English

Noun (2)

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

Keep scrolling for more

Learn More about blot

Statistics for blot

Look-up Popularity

Time Traveler for blot

The first known use of blot was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for blot

blot

verb

English Language Learners Definition of blot

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

blot

noun
\ˈblät \

Kids Definition of blot

 (Entry 1 of 2)

1 : a spot or stain of dirt or ink

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

blot

verb
blotted; blotting

Kids Definition of blot (Entry 2 of 2)

2 : to dry by pressing with paper or cloth

blot out

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

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

blot

noun
\ˈblät \

Medical Definition of blot 

: 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

Other Words from blot

blot transitive verb

Keep scrolling for more

More from Merriam-Webster on blot

Rhyming Dictionary: Words that rhyme with blot

Thesaurus: All synonyms and antonyms for blot

Spanish Central: Translation of blot

Nglish: Translation of blot for Spanish Speakers

Britannica English: Translation of blot for Arabic Speakers

Comments on blot

What made you want to look up blot? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a typical or ideal example

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!