Quiz: Remember the definition of mal de mer?


[trip-lit] /ˈtrɪp lɪt/
one of three children or offspring born at the same birth.
triplets, three offspring born at one birth.
any group or combination of three.
Prosody. three successive verses or lines, especially when rhyming and of the same length; a stanza of three lines.
Also called tercet. Music. a group of three notes to be performed in the time of two ordinary notes of the same kind.
an assembled imitation gem with three parts, the center one giving the color, the top and bottom, sometimes genuine, supplying the wearing qualities.
Genetics. a sequence of three nucleotides; a codon in messenger RNA and an anticodon in transfer RNA.
Optics. a compound lens in which three lenses are combined.
triplets, (in some card games) three cards of the same denomination.
1650-60; triple + -et Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for triplets
  • He uses both triplets and alexandrines, but triplets more frequently in his translations than his other works.
  • The marks were cut deep into the enamel and occurred often in pairs or triplets.
  • Astronomers have discovered a unique set of triplets: an asteroid with two moons orbiting it.
  • In order to make this information easily searchable, data triplets are created from groups of three features.
  • They depend on the fact that their proteins are encoded by the same triplets as those of their hosts.
  • So far, three of eight triplets have been installed and successfully pressure tested in the tunnel.
British Dictionary definitions for triplets


a group or set of three similar things
one of three offspring born at one birth
(music) a group of three notes played in a time value of two, four, etc
(chem) a state of a molecule or free radical in which there are two unpaired electrons
Word Origin
C17: from triple, on the model of doublet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for triplets



1650s, "three successive lines of poetry," from triple; perhaps patterned on doublet. Extended to a set of three of anything in 1733, and to three children at the same birth in 1787 (another word for this was trin, 1831, on the model of twin). Musical meaning "three notes played in the time of two" is from 1801.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
triplets in Medicine

triplet trip·let (trĭp'lĭt)

  1. Any of three children delivered at the same birth.

  2. A set of three similar objects, such as a compound lens in a microscope formed of three planoconvex lenses.

  3. A unit of three successive nucleotides in a DNA or RNA molecule that codes for a specific amino acid; a codon or anticodon.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for triplet

Some English speakers likely know this word

Word Value for triplets

Scrabble Words With Friends

Quotes with triplets