Definition

1. Adjective:
   • Operated by or using compressed air or gas: Describes tools, machines, or systems that function using the power of pressurized air.
   • Relating to air or gases: Pertaining to the properties, behavior, or use of air or similar gases.
   • Containing air-filled cavities: In biology, describes structures, such as certain bones, that are filled with air spaces, making them light.

Examples of Usage

• Adjective:
  • The construction workers used a pneumatic drill to break up the concrete.
  • Most bicycles and cars are equipped with pneumatic tires.
  • Birds have pneumatic bones, which aid in flight by reducing weight.

Advanced Usage

• "Pneumatic system": A system that uses compressed air to transmit and control power.
  • The factory's automation relies on a complex pneumatic system to move components.
• "Pneumatic tube": A system that propels cylindrical containers through a network of tubes using compressed air or partial vacuum.
  • Old department stores used pneumatic tubes to send cash and receipts to a central office.

Variants and Related Words

• Pneumatics (n): The branch of physics or technology concerned with the mechanical properties of gases.
  • He studied pneumatics to design better air-powered tools.
• Pneumatically (adv): In a way that is operated by or uses compressed air.
  • The door is opened pneumatically.

Synonyms

• Air-powered: Operated by the force of compressed air.
• Aerial: Relating to the air or atmosphere (in some contexts, though less specific to machinery).

Related Phrases

(Note: "Pneumatic" is primarily a technical adjective and does not commonly form phrasal verbs. It is often used in compound noun phrases.) - Pneumatic actuator: A device that converts energy from compressed air into mechanical motion. - Pneumatic pressure: The force exerted by compressed air within a system.

Related Idioms

(Note: There are no common idioms centered on the word "pneumatic." Its usage is almost exclusively technical or descriptive.)

Adjective

1. of or relating to or using air (or a similar gas)
   • pneumatic drill
   • pneumatic tire