Definition of subatmospheric
: less or lower than that of the atmosphere
subatmospheric pressure
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share subatmospheric
Time Traveler for subatmospheric
The first known use of subatmospheric was in 1874
See more words from the same year