subsonic background

subsonic

/sʌbˈsɑnɪk/ /sʌbˈsɒnɪk/

Illustration subsonic - Image 1

noun

亜音速航空機

An aircraft whose maximum speed is less than the speed of sound

Examples :

"The Boeing 737 is a well-known subsonic; it flies slower than the speed of sound. "

ボーイング737は有名な亜音速航空機です。音速より遅く飛びます。

vehicle military technology science physics

Illustration subsonic - Image 1

adjective

超音波以下の

(of a sound, scientific) having a frequency too low to be audible

Examples :

"The machine emitted a subsonic rumble that we could only feel, not hear. "

その機械は、聞こえるのではなく、感じるだけの超音波以下のうなり音を発した。

sound physics frequency

Illustration subsonic - Image 1

adjective

超音速以下の、ほとんど聞こえない

(of a sound, literary) very quiet, almost inaudible

Examples :

"The noise of the ship was all around her. The faint subsonic rumble of the reactor and drive. (Leviathan Wakes, James S. A. Corey)"

船の騒音が彼女の周りにあった。原子炉と推進機の微かな超音速以下のうなり。

sound literature

Illustration subsonic - Image 1

adjective

亜音速の

(of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)

Examples :

"The small plane flew at a comfortable, subsonic speed. "

小型機は快適な亜音速で飛行した。

physics sound technology

Illustration subsonic - Image 1

adjective

亜音速の

(of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)

Examples :

"The small airplane flew at a subsonic speed, much slower than a jet. "

小型飛行機は亜音速で飛行し、ジェット機よりもずっと遅かった。

physics technical sound science