Merriam-Webster Logo
SINCE 1828
Menu
×

subatmospheric

adjective sub·at·mo·spher·ic \ ˌsəb-ˌat-mə-ˈsfir-ik , -ˈsfer- \

Definition of subatmospheric

: less or lower than that of the atmosphere
  • subatmospheric pressure

First Known Use of subatmospheric

1874

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

subatmospheric

adjective sub·at·mo·spher·ic \ ˌsəb-ˌat-mə-ˈsfir-ik, -ˈsfer- \

medical Definition of subatmospheric

: less or lower than that of the atmosphere
  • subatmospheric pressure

Seen and Heard

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

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

balmy

play

soothing, mild, or foolish

Get Word of the Day daily email!

TRENDING NOW

  1. asylum 'protection from arrest and extradition given especially to political refugees'

  2. insubordinate 'disobedient to authority'

  3. promulgate 'to make known by open declaration'

  4. epochal 'momentous or unparalleled'

  5. clemency 'merciful treatment of someone who could be given harsh punishment'

SEE ALL

BROWSE DICTIONARY

subatmospheric

Test Your Vocabulary

Name More Food!

  • red-fruit
  • Name that Fruit!
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!

Words at Play

Ask the Editors

Word Games