picloram

noun

pi·​clo·​ram ˈpi-klə-ˌram How to pronounce picloram (audio) ˈpī- How to pronounce picloram (audio)
: a systemic herbicide C6H3Cl3N2O2 that is persistent in the soil

Word History

Etymology

picolinic acid (acid obtained by oxidation of picoline) + chlor- + amine

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of picloram was in 1965

Dictionary Entries Near picloram

picky

picloram

picnic

See More Nearby Entries 

Cite this Entry

“Picloram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/picloram. Accessed 20 Apr. 2024.

Copy Citation

Share

Medical Definition

picloram

noun
pi·​clo·​ram ˈpik-lə-ˌram How to pronounce picloram (audio) ˈpīk- How to pronounce picloram (audio)
: a systemic herbicide C6H3Cl3N2O2 that breaks down very slowly in the soil
Love words? Need even more definitions?

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

Popular in Grammar & Usage

See All

Your vs. You're: How to Use Them Correctly

Every Letter Is Silent, Sometimes: A-Z List of Examples

More Commonly Mispronounced Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Absent Letters That Are Heard Anyway
See All

Popular in Wordplay

See All

The Words of the Week - Apr. 19

10 Words from Taylor Swift Songs (Merriam's Version)

A Great Big List of Bread Words

10 Scrabble Words Without Any Vowels

12 More Bird Names that Sound Like Insults (and Sometimes Are)
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game You can make only 12 words. Pick the best ones!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A crossword with a twist
winning words from the national spelling bee logo
Spelling Bee Quiz Can you outdo past winners of the National Spelli...