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Subsonic Meaning in English

word

sʌbˈsɑːnɪk
suhb-SAAN-ik
sʌbsˈɒnɪk
suhbs-ON-ik

Definition

Moving or traveling at a speed slower than the speed of sound. Usually used to describe airplanes, bullets, or objects that do not break the sound barrier.

Usage & Nuances

Mainly used in technical and scientific contexts, such as aviation or ballistics. Opposite of 'supersonic'. Typical collocations: 'subsonic speed', 'subsonic aircraft', 'subsonic bullet'. Not used for everyday slow movement.

Example Sentences

A subsonic plane flies slower than the speed of sound.

basic

This bullet is subsonic, so it is quieter than normal bullets.

basic

Most passenger jets are subsonic.

basic

Unlike the Concorde, today's commercial planes stick to subsonic speeds for safety and cost.

natural

Shooting subsonic ammo helps reduce noise during practice at the shooting range.

natural

The design of subsonic aircraft focuses on fuel economy rather than breaking speed records.

natural