Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “gas”

gas

noun  /ɡæs/ us  

gas noun (MATTER)

science [C/U] a form of matter that is neither solid nor liquid and can increase in size to fill any container science [C/U] Gas is also the usual word used to talk about natural gas. [C/U] Gas is also the feeling that you sometimes get after eating a lot and the air such eating produces in your stomach.

gas noun (LIQUID FUEL)

[U] (also gasoline,  /ˈɡæs·əˌlin, ˌ==ˈ=/) a liquid obtained from petroleum (= dark, thick oil), used esp. as a fuel for cars and other vehicles: We’re running low on gas.

gas

verb [T]  /ɡæs/ (-ss-) us  

gas verb [T] (BREATHE MATTER)

to kill or injure people or animals by making them breathe poisonous gas: Hundreds of thousands of soldiers were gassed in World War I.
Phrasal verbs
(Definition of gas from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of gas?
Browse related topics

You are looking at an entry to do with Filling and completing, but you might be interested in these topics from the Full and empty topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “gas” in other dictionaries

Word of the Day

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More