subatmospheric

adjective

sub·​at·​mo·​spher·​ic ˌsəb-ˌat-mə-ˈsfir-ik How to pronounce subatmospheric (audio)
-ˈsfer-
: less or lower than that of the atmosphere
subatmospheric pressure

Word History

First Known Use

1874, in the meaning defined above

Time Traveler
The first known use of subatmospheric was in 1874

Dictionary Entries Near subatmospheric

sub-Atlantic

subatmospheric

subatomic

See More Nearby Entries 

Cite this Entry

“Subatmospheric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subatmospheric. Accessed 18 Apr. 2024.

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Medical Definition

subatmospheric

adjective
sub·​at·​mo·​spher·​ic ˌsəb-ˌat-mə-ˈsfir-ik, -ˈsfer- How to pronounce subatmospheric (audio)
: less or lower than that of the atmosphere
subatmospheric pressure
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