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atomic nucleus
(physics) A nucleus of an atom; consisting of protons and neutrons, surrounded by an electron cloud.
atomic winter
(uncommon) Nuclear winter.
atomic pile
(physics) an early nuclear reactor fuelled by uranium and moderated with graphite
Atomic Age
The era, starting in the mid-1940s, during which nuclear energy was developed, and in which it was thought that all energy would be provided by such sources.
atomic battery
(physics) any device that converts the energy of particles emitted from atomic nuclei into electrical energy
atomic clock
An extremely accurate reference clock whose operation is based on an atomic process, typically the frequency of electromagnetic radiation associated with a specified energy-level transition in an element such as cesium.
atomic weapon
atomic formula
(logic) A formula which does not have smaller subformulas.
atomic power
atomic orbitals
plural of atomic orbital
