Learn how to say Triplet correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word triplet:
1 (usually triplets) one of three children or animals born at the same birth:
she was expecting triplets
the lamb was a triplet and small
2a set or succession of three similar things:
a triplet of aces
the boxer’s jab came in triplets
Music a group of three equal notes to be performed in the time of two or four.
a set of three rhyming lines of verse.
3 Physics & Chemistry an atomic or molecular state characterized by two unpaired electrons with parallel spins.
a group of three associated lines close together in a spectrum or electrophoretic gel.
mid 17th century: from triple, on the pattern of doublet