Definition of quadruplet in English:

quadruplet

Syllabification: quad·ru·plet
Pronunciation: /kwäˈdro͞oplət
 
/

noun

1 (usually quadruplets) Each of four children born at one birth.
More example sentences
  • Commotion over multiple births - quadruplets, quintuplets, sextuplets - isn't new.
  • The birth of both boy and girl quadruplets has been an extremely rare occurrence in Shanghai in the past 30 years.
  • About 500 sets of quadruplets are born each year in the US, according to the National Centre for Health Statistics.
2 Music A group of four notes to be performed in the time of three.
More example sentences
  • Piano I intensifies the accompaniment of the bell effects by passing from quadruplet sixteenth to triplet sixteenth.

Origin

late 18th century: from quadruple, on the pattern of triplet.

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verb
be of the opinion; think or suppose