gas

/gæs/
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gas

A blue flame burns steadily on a gas stove.

Definition

  1. Noun:

    • A state of matter: A substance that has no fixed shape or volume, expands to fill its container, and has low density and viscosity compared to solids and liquids.
    • A fossil fuel: A gaseous fossil fuel, primarily methane, used for heating, cooking, and generating electricity.
    • Gasoline: A volatile, flammable liquid mixture of hydrocarbons derived from petroleum, used as fuel for internal combustion engines (primarily in North American informal usage).
    • Intestinal gas: A state of having excessive air or gas in the stomach or intestines.
    • Toxic vapor: A poisonous or asphyxiating substance used in chemical warfare.
    • Empty talk: Boastful, idle, or insincere talk (informal usage).

  2. Verb:

    • To poison with gas: To attack, kill, or disable using poisonous gas.
    • To talk idly: To talk in a boastful, lengthy, or insincere manner (informal usage).
Examples

  • Noun:

    • Oxygen is a gas essential for life.
    • We use natural gas to heat our home.
    • I need to stop and get gas for the car.
    • Eating beans can sometimes cause gas.
    • The treaty banned the use of chemical gases in war.
    • His promises were just a lot of hot gas.

  • Verb:

    • During the war, enemy soldiers were gassed in the trenches.
    • He spent the afternoon gassing with his friends about old times.
Advanced Usage

  • "Step on the gas": To press the accelerator pedal in a vehicle to go faster; figuratively, to hurry up or increase the rate of activity.

    • We're running late, so step on the gas!
    • We need to step on the gas if we want to finish the project on time.

  • "Run out of gas": To have no fuel left in a vehicle; figuratively, to lose energy or momentum.

    • The car ran out of gas on the highway.
    • The team started strong but ran out of gas in the second half.
Variants and Related Words

  • Gaseous (adj): Having the characteristics of a gas; in the form of a gas.

    • Water becomes gaseous steam when boiled.

  • Gasify (verb): To convert into a gas.

    • The process is designed to gasify coal.

  • Gaslight (verb): To manipulate someone by psychological means into questioning their own sanity. (Note: This is a distinct compound word).

    • He tried to gaslight her into believing she was mistaken.
Synonyms
  • Noun: Vapor, fumes, petrol (UK), gasoline (US), chatter, blather.
  • Verb: Poison, asphyxiate, chatter, babble.
Related Phrasal Verbs
  • Gas up: To fill a vehicle's fuel tank with gasoline.
    • Let's gas up the car before we leave town.
Related Idioms

  • A gas: Something that is very amusing or entertaining (slang).

    • That comedian is a real gas.

  • All gas and no brakes: Full of energy and enthusiasm without restraint (informal).

    • He approached the new project all gas and no brakes.
gas

A blue flame burns steadily on a gas stove.

Noun
  1. a fossil fuel in the gaseous state; used for cooking and heating homes
  2. a pedal that controls the throttle valve
    • he stepped on the gas
  3. a state of excessive gas in the alimentary canal
  4. a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
  5. a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
  6. the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
Verb
  1. show off
  2. attack with gas; subject to gas fumes
    • The despot gassed the rebellious tribes

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