gas
gb/ɡˈæs/ us/ɡˈæs/
A2
英語
~ 1300
語義
0件の語義
名詞
A2
entity
1
Substance in gaseous state
A kind of matter, like air, that spreads out to fill any space.
よくある間違い：
Learners sometimes confuse 'gas' (state of matter) with 'gasoline', which is a liquid fuel.
類義語
vapor (Refers especially to the gaseous form of a substance that is normally liquid or solid at room temperature.)
対義語
liquid (The opposite physical state of matter, having a fixed volume but no fixed shape.)
コロケーション
natural gas
|toxic gas
|gas leak
|gas mask
|gas cylinder
テーマ
science
|daily life
|core_vocabulary
例文
- Carbon dioxide is a colorless gas.
- Helium is a light gas often used in balloons.
- The leak was releasing poisonous gas into the room.
- Oxygen is the gas we need to breathe.
- Steam is water in its gas form.
学習者向け例文
- Air is a kind of gas.
- Oxygen is a gas we breathe.
- Helium is a gas in balloons.
- The gas in the room is dangerous.
名詞
A2
entity
2
Fuel for engines or heating
A fuel like gasoline or natural gas used in cars, machines, or for heating buildings.
よくある間違い：
In American English, 'gas' usually means gasoline, but in British English, 'petrol' is used instead. Learners may confuse the two.
類義語
fuel (A general term for any energy source used to power engines or produce heat.)
対義語
electricity (An alternative source of power for vehicles and machines instead of fuel.)
コロケーション
run out of gas
|gas station
|gas tank
|gas bill
テーマ
transportation
|energy
|technology
|daily_life
例文
- I need to stop at the gas station before we leave.
- Natural gas is used to heat many homes.
- The car ran out of gas on the highway.
- Gas prices have gone up again this month.
- We cook with gas at home.
学習者向け例文
- We buy gas for the car.
- The bus uses gas to run.
- Gas can heat the house.
- Gas prices are high today.
名詞
informal
B1
event
3
Very fun or amusing event
A very fun or funny time.
よくある間違い：
Learners may not realize this is informal and somewhat old-fashioned slang in modern usage.
類義語
blast (Informal term for an enjoyable experience.)
対義語
bore (A dull or uninteresting experience.)
コロケーション
such a gas
|real gas
テーマ
emotions
|slang
|arts_entertainment
|daily_life
例文
- That party was such a gas!
- We had a real gas at the concert last night.
- He's always a gas to be around.
学習者向け例文
- The party was a gas.
- We had a gas at the park.
- He is a gas to talk to.
動詞
B1
action
4
Provide with fuel gas or vapor
To put gas fuel into something like a car or tank.
用法パターン：
to gas [something] up
よくある間違い：
Learners may confuse 'gas' as a verb meaning to fuel with 'gas' meaning to poison with gas; context is important.
類義語
refuel (General term for supplying fuel to a vehicle or machine.)
対義語
drain (To remove fuel from a tank or system.)
コロケーション
gas up the car
|gassed heater
テーマ
transportation
|energy
|technology
例文
- We need to gas up before the trip.
- They gassed the balloons with helium.
- The soldiers gassed their equipment before deployment.
学習者向け例文
- I will gas up the car now.
- They gassed the balloons with air.
- We gassed the car yesterday.
動詞
B2
action
5
Kill or injure using poisonous gas
To hurt or kill people or animals using harmful gas.
用法パターン：
to gas [someone/something]
類義語
poison (General term for causing harm using toxic substances.)
対義語
rescue (To save someone from harm instead of causing it.)
コロケーション
gas chamber
|gassed civilians
テーマ
warfare
|crime
|health
|law
例文
- The regime gassed thousands of civilians.
- They were gassed during the chemical attack.
- The dictator ordered his troops to gas the enemy trenches.
学習者向け例文
- The soldiers gassed the enemy.
- They gassed people in the war.
- The man gassed many animals.
文法
辞書形
gas
IPA
GB/ɡˈæs/
US/ɡˈæs/
音節・強勢
gas （1音節）
Stress on 1st syllable (gas)
活用形
Noun
- Base: gas
- Plural: gas, gases, gasses
Verb
- Base: gas
- 3rd Person Singular: gases
- Present Participle: gassing
- Past: gassed
関連語
Forms
gases
noun
gasses
noun
gassing
verb
gassed
verb
Core family
gasoline
noun B1
gaseous
adjective
Related words
gassy
adjective
Advanced or less common
gasify
verb
gasification
noun
文法ポイント
- Irregular present participle: gassing Verb
- Irregular past: gassed Verb
表現
cooking with gas
1/kˈʊkɪŋ wˈɪθ ɡˈæs/
idiom
informal
Working efficiently and effectively now
Doing something well and effectively after starting slowly.
例文
- Now you're cooking with gas—this project is finally coming together!
- After fixing the bugs, the team was really cooking with gas.
gas up
1/ɡˈæs ˈʌp/
phrasal verb
Put fuel into a vehicle's tank
To fill a vehicle's tank with fuel.
例文
- We need to gas up before driving to the mountains.
- She gassed up her car at the station near work.
hit the gas
1/hˈɪt ðə ɡˈæs/
idiom
informal
Accelerate a vehicle quickly
To press down on the accelerator pedal quickly so the car goes faster.
例文
- He hit the gas as soon as the light turned green.
- Hit the gas—we're late!
run out of gas
1/ɹˈʌn ˈaʊt əv ɡˈæs/
idiom
Have no more fuel or energy
To have no more fuel in a vehicle; also, to feel too tired to continue doing something.
例文
- We ran out of gas on the highway and had to call for help.
- Halfway through the game, the team ran out of gas and lost momentum.
step on the gas
1/stˈɛp ˈɔn ðə ɡˈæs/
idiom
Go faster or hurry up
To press the car's accelerator pedal; also, to start doing something faster.
例文
- She stepped on the gas and passed the slow truck.
- If we want to finish on time, we need to step on the gas.