subsonicadj.n.

Brit.

/ˌsʌbˈsɒnɪk/, U.S.

/ˌsəbˈsɑnɪk/

Origin: Formed within English, by derivation. Etymons: sub- prefix, sonic adj.

Etymology: < sub- prefix + sonic adj., after supersonic adj.

A. adj.

1. = infrasonic adj. 1.

ΘΚΠ

the world > physical sensation > hearing and noise > inaudibility > [adjective] > subsonic

subsonic1920

subaudible1922

infrasonic1927

the world > matter > physics > science of sound > vibration > [adjective] > below range

subsonic1920

infrasonic1927

1920 Jrnl. Inst. Electr. Engineers 58 588/2 The small amount of absorption found at sub-sonic frequencies.

1945 Hollywood Q. 1 96/1 No actual sound is involved in recording the wave patterns generated by the pendulums, since these move at subsonic frequencies.

1985 Pop. Sci. Apr. 26A/1 (advt.) A subsonic filter removes a lot of non-musical material you can't hear that exists below 20hz.

2004 Keyboard Feb. 19/3 Fuzz-laden basses, piercing sub-sonic beats, frenzied melodic distortions, out-of-the-asylum FX with bruising synthetic fragments.

2. Chiefly Aeronautics. Of a speed: less than the speed of sound; relating to, involving, or capable of such a speed. Cf. supersonic adj. 2.

ΘΚΠ

the world > movement > rate of motion > [adjective] > greater or less than speed of sound

supersonic1932

subsonic1936

infrasonic1942

ultrasonic1942

hypersonic1946

transonic1946

1936 S. G. Hooker (title) The two-dimensional flow of compressible fluids at sub-sonic speeds past elliptic cylinders.

1946 Jrnl. Royal Aeronaut. Soc. 50 907/2 The National Physical Laboratory has examined the possibility of using flexible walls in high-speed subsonic tunnels.

1973 Times 5 Feb. 13/5 Capacity now exceeds demand for subsonic flight in the mass market.

2010 Guardian Unlimited (Nexis) 23 Nov. Carried aloft by a subsonic aircraft, it is launched in the air and then the rocket carries it to 109km.

B. n.

An aircraft whose maximum speed is less than the speed of sound. Cf. supersonic n.

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > aeroplane > [noun] > capable of supersonic speed > not

subsonic1957

1957 Twin Falls (Idaho) Times-News 30 Aug. 8/5 The billion-dollar investment to which the industry is already committed in subsonics.

1970 New Scientist 10 Dec. 445/2 This aircraft will cruise at a higher altitude than the subsonics.

2003 E. A. Parson Protecting Ozone Layer iii. 29 The British and French studies, however, examined only lower-flying aircraft such as the Concorde and subsonics.

Derivatives

ˌsubˈsonically adv.

ΘΚΠ

the world > physical sensation > hearing and noise > inaudibility > [adverb] > subsonically

subsonically1945

the world > matter > physics > science of sound > vibration > [adverb] > by subsonic means

subsonically1945

1945 Discovery July 214/2 There is induced over the top surface a region of supersonic speed, even though the aerofoil itself is moving subsonically.

1977 Daily Tel. 12 Dec. 2/7 The Indonesian decision to allow Concorde to fly subsonically through its air space.

2004 J. Denby Billie Morgan xxvi. 213 The telly was subsonically burbling—a programme about antiques.

This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	subsonic
释义	subsonicadj.n. Brit. /ˌsʌbˈsɒnɪk/, U.S. /ˌsəbˈsɑnɪk/ Origin: Formed within English, by derivation. Etymons: sub- prefix, sonic adj. Etymology: < sub- prefix + sonic adj., after supersonic adj. A. adj. 1. = infrasonic adj. 1. ΘΚΠ the world > physical sensation > hearing and noise > inaudibility > [adjective] > subsonic subsonic1920 subaudible1922 infrasonic1927 the world > matter > physics > science of sound > vibration > [adjective] > below range subsonic1920 infrasonic1927 1920 Jrnl. Inst. Electr. Engineers 58 588/2 The small amount of absorption found at sub-sonic frequencies. 1945 Hollywood Q. 1 96/1 No actual sound is involved in recording the wave patterns generated by the pendulums, since these move at subsonic frequencies. 1985 Pop. Sci. Apr. 26A/1 (advt.) A subsonic filter removes a lot of non-musical material you can't hear that exists below 20hz. 2004 Keyboard Feb. 19/3 Fuzz-laden basses, piercing sub-sonic beats, frenzied melodic distortions, out-of-the-asylum FX with bruising synthetic fragments. 2. Chiefly Aeronautics. Of a speed: less than the speed of sound; relating to, involving, or capable of such a speed. Cf. supersonic adj. 2. ΘΚΠ the world > movement > rate of motion > [adjective] > greater or less than speed of sound supersonic1932 subsonic1936 infrasonic1942 ultrasonic1942 hypersonic1946 transonic1946 1936 S. G. Hooker (title) The two-dimensional flow of compressible fluids at sub-sonic speeds past elliptic cylinders. 1946 Jrnl. Royal Aeronaut. Soc. 50 907/2 The National Physical Laboratory has examined the possibility of using flexible walls in high-speed subsonic tunnels. 1973 Times 5 Feb. 13/5 Capacity now exceeds demand for subsonic flight in the mass market. 2010 Guardian Unlimited (Nexis) 23 Nov. Carried aloft by a subsonic aircraft, it is launched in the air and then the rocket carries it to 109km. B. n. An aircraft whose maximum speed is less than the speed of sound. Cf. supersonic n. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > [noun] > capable of supersonic speed > not subsonic1957 1957 Twin Falls (Idaho) Times-News 30 Aug. 8/5 The billion-dollar investment to which the industry is already committed in subsonics. 1970 New Scientist 10 Dec. 445/2 This aircraft will cruise at a higher altitude than the subsonics. 2003 E. A. Parson Protecting Ozone Layer iii. 29 The British and French studies, however, examined only lower-flying aircraft such as the Concorde and subsonics. Derivatives ˌsubˈsonically adv. ΘΚΠ the world > physical sensation > hearing and noise > inaudibility > [adverb] > subsonically subsonically1945 the world > matter > physics > science of sound > vibration > [adverb] > by subsonic means subsonically1945 1945 Discovery July 214/2 There is induced over the top surface a region of supersonic speed, even though the aerofoil itself is moving subsonically. 1977 Daily Tel. 12 Dec. 2/7 The Indonesian decision to allow Concorde to fly subsonically through its air space. 2004 J. Denby Billie Morgan xxvi. 213 The telly was subsonically burbling—a programme about antiques. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.n.1920
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