- A group of closely associated things, especially closely spaced spectral lines or atomic energy levels, or subatomic particles differing only in a single property (e.g. charge or strangeness).More example sentences
- Saturation was thereby achieved by multiple photon absorption in thymine doublets and multiplets.
1920s: from multiple, on the pattern of words such as doublet and triplet.
More definitions of multipletDefinition of multiplet in:
- The US English dictionary