ultrasonic

/'ʌltrə'sɔnik/

Thân thiện

A veterinarian uses an ultrasonic device to examine a pregnant dog.

Definition

1. Adjective:
   • Having frequencies above those of audible sound: Describes sound waves with a frequency higher than the upper limit of human hearing, typically above 20,000 hertz (Hz).

Usage

The word "ultrasonic" is used as an adjective to modify nouns related to sound, waves, or technology. It describes phenomena, devices, or applications that operate using these high-frequency sound waves.

Examples

• Adjective:
  • The device uses ultrasonic waves to clean jewelry.
  • Bats navigate using ultrasonic echolocation.
  • An ultrasonic sensor can detect objects without physical contact.

Advanced Usage

• Technical Contexts: Commonly used in scientific, medical, and industrial fields.
  • Ultrasonic imaging is a safe medical diagnostic tool.
  • The engineer performed an ultrasonic test to check for material flaws.

Variants and Related Words

• Ultrasonics (noun): The branch of acoustics dealing with ultrasonic sound waves.
  • He specializes in the field of ultrasonics.
• Ultrasonically (adverb): In an ultrasonic manner.
  • The component was cleaned ultrasonically.

Synonyms

• Supersonic (Note: In strict technical usage, "supersonic" refers to speeds faster than sound, not sound frequencies above hearing. However, in some informal contexts, it may be confused with "ultrasonic." The precise synonym is context-specific.)
• High-frequency sound (descriptive phrase)

Related Phrases and Compounds

• Ultrasonic cleaning: A process that uses ultrasonic waves to clean objects.
• Ultrasonic welding: A technique using ultrasonic vibrations to weld materials.
• Ultrasonic frequency: The specific rate of vibration of ultrasonic waves.

Học thuật

Adjective

1. having frequencies above those of audible sound

Từ đồng nghĩa

• supersonic