triplet /trip·let/ (trip´let)
triplet
triplet
1. one of three offspring produced at one birth.
2. a combination of three objects or entities acting together, as three lenses or three nucleotides.
3. a triple discharge.
trip·let (tr p lt)n. 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. |
triplet
[trip′lit]
Etymology: L, triplus
1 any one of three offspring born of the same gestation period during a single pregnancy. See also Hellin's law.
2 (in genetics) the unit of three consecutive bases in one polynucleotide chain of deoxyribonucleic acid or RNA that codes for a specific amino acid. See also codon, genetic code.
triplet
1. one of three offspring produced at one birth.
2. a combination of three objects or entities acting together, as three lenses or three nucleotides. See also codon.
triplet
Lens system composed of three lenses as, for example, a convex crown glass lens cemented between two concave flint lenses. The aim of such a system is to minimize aberrations (Fig. T20). See doublet; orthoscopic eyepiece; achromatizing lens.
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Fig. T20 Triplet
triplet
Obstetrics One of 3 children carried by one mother during the same gestational period
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