triple point

noun

Definition of triple point 

: the condition of temperature and pressure under which the gaseous, liquid, and solid phases of a substance can exist in equilibrium

First Known Use of triple point

1872, in the meaning defined above

Keep scrolling for more

Learn More about triple point

Share triple point

Statistics for triple point

Look-up Popularity

Time Traveler for triple point

The first known use of triple point was in 1872

See more words from the same year

Keep scrolling for more

More Definitions for triple point

triple point

noun

Medical Definition of triple point 

: the condition of temperature and pressure under which the gaseous, liquid, and solid phases of a substance (as water) can exist in equilibrium

More from Merriam-Webster on triple point

See words that rhyme with triple point

Britannica.com: Encyclopedia article about triple point

Comments on triple point

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

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!