 gas |
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| 1. | [ noun ] (chemistry) 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 | |
| Related terms: | state_of_matter gasify | |
| 2. | [ noun ] (chemistry) a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | |
| Related terms: | fluid air oxygen chlorine hydrogen nitrogen plasma ideal_gas atmosphere ozone exhaust fluorine phosgene blow_gas poison_gas phosphine sewer_gas cyanogen butylene nitric_oxide inhalant greenhouse_emission compressed_gas afterdamp ethylene propane butane noble_gas formaldehyde producer_gas water_gas liquefied_petroleum_gas ammonia propylene methane sublimate sulfur_dioxide tear_gas nitrogen_dioxide arsine firedamp mephitis ethane gasify | |
| 3. | [ noun ] (chemistry) a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines | |
| Synonyms: | gasoline petrol gasolene | |
| Related terms: | fuel hydrocarbon unleaded_gasoline leaded_gasoline napalm gasohol | |
| 4. | [ verb ] (military) attack with gas; subject to gas fumes | |
| Examples: | "The despot gassed the rebellious tribes" |
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| Related terms: | attack teargas gassing | |
| 5. | [ noun ] a state of excessive gas in the alimentary canal | |
| Synonyms: | flatulency flatulence | |
| Related terms: | physiological_state | |
| 6. | [ noun ] a pedal that controls the throttle valve | |
| Synonyms: | accelerator throttle gas_pedal gun accelerator_pedal | |
| Examples: | "he stepped on the gas" |
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| Related terms: | pedal car airplane accelerate | |
| 7. | [ verb ] show off | |
| Synonyms: | boast brag bluster vaunt shoot_a_line blow swash gasconade tout | |
| Related terms: | overstate gloat puff bravado boast braggadocio brag loudmouth blowhard | |
| 8. | [ noun ] a fossil fuel in the gaseous state; used for cooking and heating homes | |
| Synonyms: | natural_gas | |
| Related terms: | fossil_fuel methane gasify | |
| Similar spelling: |
Gaus Gass gash Gase gauss Gause gassy Gasca gaius gag gaze gaza gawk gage gaga gawky gauzy Gauze gauge |
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