sonic
sonic — adjective
1. connected with the rate at which sound moves through the air (roughly 1,224 km/h
connected with the rate at which sound moves through the air (roughly 1,224 km/h at sea level) or with the general behaviour of sound waves
Residents near the airport often hear sonic booms when aircraft break the sound barrier.
sonic boom — the loud noise made when an object exceeds the speed of sound
A fighter jet can reach supersonic speeds, meaning it flies faster than the sonic barrier.
Lien's research team studies the sonic properties of different materials to improve noise insulation.
Engineers designed the submarine hull to minimise sonic reflections from enemy sonar equipment.
A sonic boom sounds like a loud thunderclap and can break windows on the ground.
- acoustic
broader — covers all aspects of sound, not specifically speed or wave behaviour
- subsonic
relating to speeds below the speed of sound in air
文法句型
sonic + noun
用法筆記
Most commonly appears in compound terms such as sonic boom, supersonic, subsonic, and ultrasonic. When used as a standalone adjective, it nearly always appears before a noun rather than after a linking verb.
常見錯誤
2. relating to sound frequencies that the human ear can hear, roughly between 20 an
relating to sound frequencies that the human ear can hear, roughly between 20 and 20,000 hertz
Dogs can hear frequencies beyond the typical sonic range of humans.
sonic range — the band of frequencies audible to humans
The audio engineer adjusted the equaliser to boost the sonic frequencies that give music warmth.
Lara tested the hearing aid across the full sonic spectrum to ensure clear speech reproduction.
Bats navigate using ultrasonic pulses that fall well above the human sonic threshold.
The device converts ultrasonic signals into the sonic range so that humans can hear them.
- audible
broader — anything that can be heard, without specifying a frequency range
- ultrasonic
frequencies above the human hearing range (above ~20,000 Hz)
- infrasonic
frequencies below the human hearing range (below ~20 Hz)
文法句型
sonic + noun
用法筆記
Distinguish from sense 1 (SOUND SPEED): this sense refers to the frequency of sound waves, not their speed. The opposite ranges are ultrasonic (above the audible range) and infrasonic (below it).