- Chemistry. two electrons occupying the same orbital in an atom or molecule; two electrons working together, especially forming a nonpolar covalent bond between atoms.
- Physics. an electron and a positron produced in a reaction, as by a high-energy photon.
Also called du·plet [doo-plit] /ˈdu plɪt/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a pair of electrons shared between two atoms in a covalent bond
- music a group of two notes played in the time of three
- Two electrons functioning or regarded as functioning together, especially two electrons that form a covalent bond between atoms.
- An electron and a positron produced by a high-energy photon.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.