Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

1

caustic

play
adjective caus·tic \ˈkȯ-stik\

Medical Definition of caustic

  1. :  capable of destroying or eating away organic tissue and especially animal tissue by chemical action <silver nitrate and sulfuric acid are caustic agents>

  2. caus·ti·cal·ly \-sti-k(ə-)lē\play adverb
    caus·tic·i·ty \kȯ-ˈstis-ət-ē\play noun, plural caus·tic·i·ties




2

caustic

noun caus·tic

Medical Definition of caustic

  1. :  a caustic agent: asa:  a substance that burns or destroys organic tissue by chemical action :  escharoticb:  sodium hydroxide





Seen and Heard

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

WORD OF THE DAY

February 12, 2016

of, relating to, or suggestive of marble

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 100 pounds 16.96 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ