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

triatomic

play
adjective tri·atom·ic \ˌtrī-ə-ˈtä-mik\

Definition of triatomic

  1. :  having three atoms in the molecule <ozone is triatomic oxygen>



Origin of triatomic

International Scientific Vocabulary


First Known Use: 1862


Medical Dictionary

triatomic

play
adjective tri·atom·ic \ˌtrī-ə-ˈtäm-ik\

Medical Definition of triatomic

  1. :  having three atoms in the molecule <ozone is triatomic oxygen>




Learn More about triatomic

  1. Medical Dictionary: Definition of "triatomic"


Seen and Heard

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

WORD OF THE DAY

February 14, 2016

to hug and kiss another person

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 196.5 pounds 100 pounds 16.96 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