English Expression · Intermediate
gas cap
The cap that closes a gas tank and may be opened to refill it
Pronunciation: say gas cap
Meaning
The cap that closes a gas tank and may be opened to refill it.
Example
Make sure you tighten the gas cap after you finish filling the tank.
Make sure you tighten the gas cap after you finish filling the tank.
Practice tips
- Practice gas cap out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.