To save this word, you'll need to log in.
Definition of 2,4,5-T
: an irritant crystalline compound C8H5Cl3O3 used especially formerly chiefly as an herbicide and defoliant
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Great Scrabble Words—A Quiz
- Which of the following Q-without-U words means the number five in cards or dice?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share 2,4,5-T
Time Traveler for 2,4,5-T
The first known use of 2,4,5-T was in 1946
See more words from the same year