audion

A scientist adjusts the audion in a laboratory experiment.

Definition

1. Noun:
   • Electronic device: "audion" is a historical term for an early type of vacuum tube, specifically a triode (a three-electrode tube), used to amplify electrical signals, particularly in radio and audio equipment.

Usage Examples

• Noun:
  • The audion was a crucial invention in the development of radio technology. (The early triode vacuum tube.)
  • Lee De Forest's audion made long-distance communication possible. (The device that amplified signals.)

Advanced Usage

• "audion amplifier": a circuit or device using the audion to increase signal strength.
  • The audion amplifier allowed for clearer sound in early radios. (The amplification system based on the triode.)

Variants and Related Words

• Audion tube (n): the physical component itself, synonymous with "audion."

  • The audion tube was replaced by more efficient transistors. (The vacuum tube component.)

• Triode (n): a more general term for a three-electrode vacuum tube, of which the audion is a specific early example.

  • The triode, including the audion, revolutionized electronics. (The broader category of three-electrode tubes.)

Synonyms

• Vacuum tube: a general term for an electronic device that controls current flow in a vacuum.
• Triode: a specific type of vacuum tube with three electrodes.

Related Idioms

• (No common idioms are associated with "audion," as it is a technical, obsolete term.)

Phrasal Verbs

• (No phrasal verbs are used with "audion," as it is a noun referring to a specific device.)