subharmonicn.adj.

Brit.

/ˌsʌbhɑːˈmɒnɪk/, U.S.

/ˌsəbhɑrˈmɑnɪk/

Origin: Formed within English, by derivation. Etymons: sub- prefix, harmonic n.

Etymology: < sub- prefix + harmonic n.

Chiefly Acoustics and Music.

A. n.

An oscillation or wave with a frequency equal to an exact, usually simple, submultiple of a fundamental frequency; a frequency of which a fundamental is a harmonic.

ΘΚΠ

the world > matter > physics > science of sound > vibration > [noun] > simple tone > relative to another

subharmonic1852

subtone1875

1852 Musical Times 1 Oct. 79/1 Dr. Bexfield's paper on ‘Subharmonics’—a highly interesting discovery—will appear in our next publication.

1922 Philos. Trans. (Royal Soc.) A. 222 133 These responses have amplitudes ¹/ ₃, ¹/ ₅, ¹/ ₇, of the fundamental response. These responses will be called ‘Subharmonics’.

1940 H. F. Olson Elem. Acoustical Engin. vii. 137 It has been analytically shown..that subharmonics are possible in certain vibrating systems.

1987 Ornis Scand. 18 228/1 The transmitter crystal oscillator operates directly at the 142 MHz output frequency, to keep efficiency high and avoid radiating subharmonics.

2006 New Scientist 30 Sept. 60/2 By combining subharmonics with the normal technique of stopping the string on the fingerboard..she could play a whole scale down from bottom G.

B. adj.

That is a subharmonic; relating to or involving subharmonics.

ΘΚΠ

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

subharmonic1885

1885 Jrnl. Educ. (Univ. of Oyo Faculty of Educ.) 17 112/2 We shall then hear the sub-harmonic scale of the holding note, in faint, low resultant tones.

1940 H. F. Olson Elem. Acoustical Engin. vii. 137 Another feature of subharmonic phenomena is the relatively long time required for ‘build up’.

1962 A. Nisbett Technique Sound Studio 245 Paper cones are often corrugated to reduce any tendency to ‘break up’ radially and produce sub-harmonic oscillations.

2010 B. R. Sutherland Internal Gravity Waves iv. 250 An upward-propagating plane interval wave that excites two subharmonic waves.

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

单词	subharmonic
释义	subharmonicn.adj. Brit. /ˌsʌbhɑːˈmɒnɪk/, U.S. /ˌsəbhɑrˈmɑnɪk/ Origin: Formed within English, by derivation. Etymons: sub- prefix, harmonic n. Etymology: < sub- prefix + harmonic n. Chiefly Acoustics and Music. A. n. An oscillation or wave with a frequency equal to an exact, usually simple, submultiple of a fundamental frequency; a frequency of which a fundamental is a harmonic. ΘΚΠ the world > matter > physics > science of sound > vibration > [noun] > simple tone > relative to another subharmonic1852 subtone1875 1852 Musical Times 1 Oct. 79/1 Dr. Bexfield's paper on ‘Subharmonics’—a highly interesting discovery—will appear in our next publication. 1922 Philos. Trans. (Royal Soc.) A. 222 133 These responses have amplitudes ¹/ ₃, ¹/ ₅, ¹/ ₇, of the fundamental response. These responses will be called ‘Subharmonics’. 1940 H. F. Olson Elem. Acoustical Engin. vii. 137 It has been analytically shown..that subharmonics are possible in certain vibrating systems. 1987 Ornis Scand. 18 228/1 The transmitter crystal oscillator operates directly at the 142 MHz output frequency, to keep efficiency high and avoid radiating subharmonics. 2006 New Scientist 30 Sept. 60/2 By combining subharmonics with the normal technique of stopping the string on the fingerboard..she could play a whole scale down from bottom G. B. adj. That is a subharmonic; relating to or involving subharmonics. ΘΚΠ the world > matter > physics > science of sound > vibration > [adjective] > subharmonic subharmonic1885 1885 Jrnl. Educ. (Univ. of Oyo Faculty of Educ.) 17 112/2 We shall then hear the sub-harmonic scale of the holding note, in faint, low resultant tones. 1940 H. F. Olson Elem. Acoustical Engin. vii. 137 Another feature of subharmonic phenomena is the relatively long time required for ‘build up’. 1962 A. Nisbett Technique Sound Studio 245 Paper cones are often corrugated to reduce any tendency to ‘break up’ radially and produce sub-harmonic oscillations. 2010 B. R. Sutherland Internal Gravity Waves iv. 250 An upward-propagating plane interval wave that excites two subharmonic waves. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.adj.1852
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