Definition of sub-octave in English:

sub-octave

noun ˌsʌbˈɒkteɪvˌsʌbˈɒktɪv

1The octave below a given note; (also) an organ stop sounding a note one octave below the ordinary pitch, or at intervals of an octave below this (sometimes in "first sub-octave", "second sub-octave", etc.).
2In full "suboctave coupler". A device in an organ or similar instrument which enables a note one octave lower than that being played to sound at the same time.

Mid 17th century; earliest use found in Christopher Simpson (c1602–1669), composer and musician. From sub- + octave.

noun

1The octave below a given note; (also) an organ stop sounding a note one octave below the ordinary pitch, or at intervals of an octave below this (sometimes in "first sub-octave", "second sub-octave", etc.).
2In full "suboctave coupler". A device in an organ or similar instrument which enables a note one octave lower than that being played to sound at the same time.

Mid 17th century; earliest use found in Christopher Simpson (c1602–1669), composer and musician. From sub- + octave.

词汇	sub-octave
释义	Definition of sub-octave in English: sub-octave noun ˌsʌbˈɒkteɪvˌsʌbˈɒktɪv 1The octave below a given note; (also) an organ stop sounding a note one octave below the ordinary pitch, or at intervals of an octave below this (sometimes in "first sub-octave", "second sub-octave", etc.). 2In full "suboctave coupler". A device in an organ or similar instrument which enables a note one octave lower than that being played to sound at the same time. Origin Mid 17th century; earliest use found in Christopher Simpson (c1602–1669), composer and musician. From sub- + octave. Definition of sub-octave in US English: sub-octave noun 1The octave below a given note; (also) an organ stop sounding a note one octave below the ordinary pitch, or at intervals of an octave below this (sometimes in "first sub-octave", "second sub-octave", etc.). 2In full "suboctave coupler". A device in an organ or similar instrument which enables a note one octave lower than that being played to sound at the same time. Origin Mid 17th century; earliest use found in Christopher Simpson (c1602–1669), composer and musician. From sub- + octave.
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