hot-air balloon
Học thuậtThân thiện
Definition
- Noun:
- Aircraft for aerial travel: A "hot-air balloon" is a type of aircraft consisting of a large bag (called an envelope) that contains heated air. Suspended beneath this bag is a basket or gondola that carries passengers and a source of heat, typically a propane burner. It flies because the heated air inside the envelope is less dense than the cooler air outside.
Usage Examples
- Noun:
- We went for a ride in a hot-air balloon at dawn.
- The colorful hot-air balloon drifted peacefully over the valley.
- The festival featured dozens of hot-air balloons of all shapes and sizes.
Advanced Usage
- "to go up in a hot-air balloon": to take a flight in one.
- For her birthday, she wanted to go up in a hot-air balloon.
- "hot-air balloon ride/flight": an experience or journey in a hot-air balloon.
- They booked a hot-air balloon ride for their anniversary.
Variants and Related Words
- Balloon (n): The general term for a flexible bag filled with gas (like helium or hot air) that can rise in the air. A "hot-air balloon" is a specific type of balloon.
- Envelope (n): In ballooning, this specifically refers to the large fabric bag that holds the hot air.
- Gondola / Basket (n): The passenger compartment suspended beneath the envelope.
- Balloonist (n): A person who flies a balloon.
Synonyms
- Lighter-than-air craft: A technical term for aircraft that rely on buoyancy, which includes hot-air balloons and airships.
- Aerostat: Another technical term for a craft that remains aloft using buoyant gas.
Related Phrases
- Hot-air ballooning (n): The activity or sport of flying in a hot-air balloon.
- He took up hot-air ballooning as a hobby.
- Hot-air balloon pilot: The person who operates and navigates the balloon.
Related Idioms
- "Full of hot air": This idiom describes a person who talks a lot but says little of value or makes false promises. It is conceptually related as it uses the same "hot air" imagery but refers to empty talk, not the aircraft.
- Don't listen to him; he's just full of hot air.
Noun
- balloon for travel through the air in a basket suspended below a large bag of heated air