Definition of double dot in English:

double dot

(also double-dot)

noun

  • Two dots placed side by side after a note to indicate that it is to be lengthened by three quarters of its value.

    ‘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 seven to one, producing a more marked effect than ordinary dotted rhythm.

    as noun double-dotting ‘some may feel at times that the double-dotting is being a little overdone’
    • ‘The convention in the dotted-rhythm section is to "double-dot" the rhythms, making the shorter notes shorter still, and giving them more "snap."’