helicopter
/'helikɔptə/
Học thuậtThân thiện
Definition
- Noun:
- A type of aircraft: A helicopter is an aircraft that does not have fixed wings. It achieves lift and propulsion through the rotation of one or more sets of horizontally mounted rotors (overhead blades).
Usage
- The word "helicopter" is used as a countable noun.
- It typically refers to the vehicle itself.
- Example:
- Example:
Examples
- Noun:
- The sound of the helicopter overhead was very loud.
- Rescue workers used a helicopter to reach the stranded hikers.
- He trained for years to become a helicopter pilot.
Advanced Usage
- "by helicopter": Using a helicopter as a mode of transport.
- The VIPs were transported to the summit by helicopter.
- "helicopter parent" (idiomatic, compound noun): A parent who is overly involved in their child's life. (Note: This is a compound term where "helicopter" is used metaphorically).
- Some educators are concerned about the effects of helicopter parenting.
Variants and Related Words
- Helo (n): An informal, shortened slang term for helicopter, often used in military contexts.
- Chopper (n): A common informal synonym for helicopter.
- Rotary-wing aircraft (n): A more technical term for a helicopter, emphasizing its method of lift.
Synonyms
- Rotocraft: A formal term for aircraft using lift from rotating wings.
- Whirlybird: A playful, informal synonym for helicopter.
Related Phrases
- Helicopter gunship: A military helicopter armed for attack.
- Helicopter pad/helipad: A designated area for helicopters to land and take off.
Related Idioms
- "Like a helicopter": Used informally to describe something that hovers, moves erratically, or is overly intrusive, drawing from the imagery of a helicopter's flight and the "helicopter parent" concept.
- The drone was buzzing around like a helicopter.
Noun
- an aircraft without wings that obtains its lift from the rotation of overhead blades