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

Medical Dictionary

1

gas

play
noun \ˈgas\

Medical Definition of gas

plural gas·es also gas·ses

  1. 1:  a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely

  2. 2:  a gaseous product of digestion; also :  discomfort from this

  3. 3:  a gas or gaseous mixture used to produce anesthesia

  4. 4:  a substance that can be used to produce a poisonous, asphyxiating, or irritant atmosphere




2

gas

transitive verb

Medical Definition of gas

gassedgas·sing

  1. 1:  to treat chemically with gas

  2. 2:  to poison or otherwise affect adversely with gas




GAS

abbreviation

Medical Definition of GAS

  1. general adaptation syndrome





Seen and Heard

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

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez spindrift duvet kittly-benders
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