formalin

noun for·ma·lin \ ˈfȯr-mə-lən , -ˌlēn \
Updated on: 27 Mar 2018

Definition of formalin

: a clear aqueous solution of formaldehyde and methanol used especially as a preservative

Recent Examples of formalin from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'formalin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of formalin

Formalin, a trademark


Medical Dictionary

formalin

noun for·ma·lin \ ˈfȯr-mə-lən, -ˌlēn \

medical Definition of formalin

: a clear aqueous solution of formaldehyde containing a small amount of methanol

Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

without deliberation, pause, or delay

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats-on-impossible-timber
  • The magician ______ moved the selected card to the top of the deck.
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

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!