air pump

Thân thiện

A child uses an air pump to inflate a colorful beach ball.

Definition

1. Noun:
   • A device for moving air: An air pump is a mechanical device designed to move air either into or out of an enclosed space or object. It creates a flow or change in air pressure.

Usage

• The primary function of an air pump is to inflate or deflate items by forcing air in or drawing air out.
• It is commonly used with objects that require air to function or maintain their shape, such as tires, balloons, or air mattresses.

Examples

• Noun:
  • I used an air pump to inflate my bicycle tire.
  • The aquarium requires an air pump to oxygenate the water for the fish.
  • Please pass the air pump; the soccer ball needs more air.

Advanced Usage

• Technical Context: In scientific or industrial settings, an air pump can refer to more complex machinery, such as a vacuum pump that removes air to create a partial vacuum.
  • The laboratory uses a high-precision air pump for its experiments.

Variants and Related Words

• Inflator: A device, often a type of air pump, specifically for inflating objects.
• Vacuum pump: A type of pump that removes air or gas from a sealed volume to create a vacuum.
• Foot pump: A manual air pump operated by foot.

Synonyms

• Inflator: A device for filling something with air.
• Bellows: A device with an air bag that emits a stream of air when squeezed (used for specific purposes like fanning a fire).

Related Phrases

• "To pump up": To inflate something using an air pump.
  • I need to pump up the basketball before the game.

Học thuật

Noun

1. a pump that moves air in or out of something

Từ đồng nghĩa

• vacuum pump