Two dots placed side by side after a note to indicate that it is to be lengthened by three quarters of its value.
（作曲或乐曲改编中的）复附点
Example sentencesExamples
It quickly progresses to syncopation, eighth and sixteenth notes and rests, compound meter, and even explores double dots, odd tuplets, and irregular and shifting meters.
verb
[with object]Music
Write or perform (music) with a rhythm of alternating long and short notes in a ratio of seven to one, producing a more marked effect than ordinary dotted rhythm.
用7比1的交替长、短音符节奏编写（或演奏）（乐曲）
some may feel at times that the double-dotting is being a little overdone
Example sentencesExamples
The convention in the dotted-rhythm section is to "double-dot" the rhythms, making the shorter notes shorter still, and giving them more "snap."
Definition of double dot in US English:
double dot
noun
(in musical composition or transcription) two dots placed side by side after a note to indicate that it is to be lengthened by three quarters of its value.
（作曲或乐曲改编中的）复附点
Example sentencesExamples
It quickly progresses to syncopation, eighth and sixteenth notes and rests, compound meter, and even explores double dots, odd tuplets, and irregular and shifting meters.
verb
[with object]
Write or perform (music) with a rhythm of alternating long and short notes in a ratio of approximately seven to one, producing a more marked effect than ordinary dotted rhythm.
用7比1的交替长、短音符节奏编写（或演奏）（乐曲）
some may feel at times that the double-dotting is being a little overdone
Example sentencesExamples
The convention in the dotted-rhythm section is to "double-dot" the rhythms, making the shorter notes shorter still, and giving them more "snap."