1. groups of closely spaced spectral lines in atomic or molecular spectra
Usage: physics; spectroscopy
2. sets of subatomic particles that have similar properties but differ in electric charge
Usage: particle physics
3. multiple births involving more than two offspring
Usage: medical; biology

Examples

• The spectroscope revealed several multiplets in the hydrogen emission spectrum.
• Physicists study multiplets to understand atomic structure.
• The proton and neutron form a doublet multiplet in nuclear physics.
• Quarks are organized into multiplets based on their symmetry properties.
• The hospital prepared for the delivery of multiplets after the ultrasound.
• Multiplets occur more frequently with fertility treatments.
• The energy levels split into multiplets due to spin-orbit coupling.