Idioms

    step on the gas, Informal. to increase the speed of one's movement or activity; hurry: We'd better step on the gas or we'll be late for the concert.

Origin of gas

1650–60; coined by J. B. van Helmont (1577–1644), Flemish chemist; suggested by Greek cháos atmosphere

Related forms

gas·less, adjectivenon·gas, noun, plural non·gas·es.

Can be confused

fluid gas liquid (see synonym study at liquid)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for gas up

gas

/ (ɡæs) /

noun plural gases or gasses

verb gases, gasses, gassing or gassed

Derived Forms

gasless, adjective

Word Origin for gas

C17 (coined by J. B. van Helmont (1577–1644), Flemish chemist): modification of Greek khaos atmosphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for gas up

gas

[ găs ]

n. pl. gas•es

v.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for gas up

gas

[ găs ]

One of four main states of matter, composed of molecules in constant random motion. Unlike a solid, a gas has no fixed shape and will take on the shape of the space available. Unlike a liquid, the intermolecular forces are very small; it has no fixed volume and will expand to fill the space available.

Related forms

gaseous adjective (găsē-əs, găshəs)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for gas up

gas


In physics, one of the phases of matter. The atoms or molecules in gases are more widely spaced than in solids or liquids and suffer only occasional collisions with one another.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with gas up (1 of 2)

gas up


Supply a vehicle with gasoline, as in I want to be sure to gas up before we go. James M. Cain used this term in The Postman Always Rings Twice (1934): “I went to gas up a car.” [Colloquial; c. 1930 Also see tank up.

Idioms and Phrases with gas up (2 of 2)

gas


In addition to the idiom beginning with gas

  • gas up

also see:

  • cook with gas
  • run out of steam (gas)
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.