quadruplet
One of four
A quadruplet is one of four offspring born from the same pregnancy.
The word usually appears in plural: She gave birth to quadruplets.
By extension, quadruplet can mean any group or set of four related things, particularly in music where it denotes four notes played in the time usually given to three.
Quantities divisible evenly
- neonatalOf earliest infancy
- incubatorControlled warming enclosure
- fertilityCapacity for reproduction
- gestationCarrying offspring in womb
ultrasound · obstetrics · cesarean · delivery · maternity · midwife · labor · newborns
Male children of same parents
- sistersFemale kin or nuns
- multiplesQuantities divisible evenly
- twinsSiblings born simultaneously
- tripletsThree born together
quintuplets · sextuplets · identical · fraternal · family · genetics · bonding · matching
Number after three
- tetradGroup of four units
- quaternionHypercomplex number with four components
- quartileData division into fourths
- quadrantFourth of a circle
Set of three
- dupletTwo-note rhythmic grouping
- quintupletOne of five simultaneous births
- sextupletOne born with five siblings simultaneously
- sixteenthOrdinal for 16
subdivision · rhythm · notation · syncopation · beat · grouping · bracket · tempo
Seldom found or seen
- uncommonSeldom occurring or found
- infrequentHappening only occasionally
- exceptionalNotably above the norm
- unusualNot often encountered
remarkable · extraordinary · miraculous · odds · statistics · probability · IVF · spontaneous
multiples
Quantities divisible evenly
gestation · ultrasound · obstetrics · cesarean · delivery · maternity · midwife · labor · newborns · nursery
brothers
Male children of same parents
triplets · quintuplets · sextuplets · identical · fraternal · family · genetics · bonding · matching · nursery
four
Number after three
- tetradGroup of four units
- quaternionHypercomplex number with four components
- quartileData division into fourths
quadrant · fourfold · fourth · quaternary · quadripartite
triplet
Set of three
- dupletTwo-note rhythmic grouping
- quintupletOne of five simultaneous births
- sextupletOne born with five siblings simultaneously
sixteenth · subdivision · rhythm · notation · syncopation · beat · grouping · bracket · tempo · score
rare
Seldom found or seen
- uncommonSeldom occurring or found
- infrequentHappening only occasionally
- exceptionalNotably above the norm
unusual · remarkable · extraordinary · miraculous · odds · statistics · probability · IVF · spontaneous
- collectivespair, duo, trio, quintet, sextet
- number wordspair, duo, trio, quintet, sextet
- siblingsbrother, sister, twins, siblings, brothers
- birth orderfirstborn, lastborn, middle child, only child, eldest
- foursfour elements, four directions, four corners, four suits, four horsemen
- birthlive birth, stillbirth, premature birth, breech birth, multiple birth
- quadruple bypassFour coronary arteries redirected
- quadruple jumpFour-revolution skating leap
- quadruple doubleFour stats reaching ten
quadruple, quadruplets, quadrupled, quadruples, quadrupling, quadruplex