plural triplets
1
: one of three offspring produced in the same pregnancy
2
a
: a combination, set, or group of three
b
: a group of three elementary particles (such as positive, negative, and neutral pions) with different charge states but otherwise similar properties
c
: an atom or molecule with an even number of electrons that have a net magnetic moment
d
: codon
3
: a group of three musical notes, tones, or beats performed in the time of two of the same value
4
: a unit of three lines of verse
Examples of triplet in a Sentence
the theater piece is actually a triplet of comedy sketches, all of them having romantic love as their theme
Recent Examples on the Web
Brittany suffered various complications after giving birth to her triplets, GMA reported, including postpartum preeclampsia, cardiomyopathy and heart failure.
—
Nicholas Rice, People.com, 19 July 2025
Samberg was referring to a 2018 documentary that followed a pair of identical triplets who were separated at birth by the Louise Wise adoption agency.
—Katherine Schaffstall, HollywoodReporter, 8 July 2025
The captive breeding programs have already started showing encouraging results, with a rare litter of Arabian leopard triplets being born at the RCU’s Arabian Leopard Conservation Breeding Centre in Taif back in December 2024.
—Indrabati Lahiri, Forbes.com, 7 July 2025
With older brother Alex born on Sept. 20, 2004, and McBurney and younger brother Sullivan born on Oct. 8, 2004, the triplets were born 17 days, 18 hours and 55 minutes apart.
—Ramal Nasim
updated July 14, Kansas City Star, 14 July 2025
See All Example Sentences for triplet
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Nicholas Rice, People.com, 19 July 2025
Samberg was referring to a 2018 documentary that followed a pair of identical triplets who were separated at birth by the Louise Wise adoption agency.
—Katherine Schaffstall, HollywoodReporter, 8 July 2025
The captive breeding programs have already started showing encouraging results, with a rare litter of Arabian leopard triplets being born at the RCU’s Arabian Leopard Conservation Breeding Centre in Taif back in December 2024.
—Indrabati Lahiri, Forbes.com, 7 July 2025
With older brother Alex born on Sept. 20, 2004, and McBurney and younger brother Sullivan born on Oct. 8, 2004, the triplets were born 17 days, 18 hours and 55 minutes apart.
—Ramal Nasim
updated July 14, Kansas City Star, 14 July 2025
See All Example Sentences for triplet
Cite this Entry
“Triplet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triplet. Accessed 30 Jul. 2025.
Copy CitationKids Definition
triplet
noun
trip·let
ˈtrip-lət 
1
: a unit of three lines of verse
2
: a combination, set, or group of three
3
: one of three children or offspring born at one birth
4
: a group of three notes played in the time of two of the same value
Medical Definition
triplet
noun
trip·let
ˈtrip-lət
1
a
: a combination, set, or group of three
b
: an atom or molecule with an even number of electrons that have a net magnetic moment
c
: codon
2
a
: one of three children or offspring born at one birth
b
triplets plural
: a group of three offspring born at one birth
3
: a combination of three lenses
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