a device in which atoms or particles are slowed by the use of lasers and then confined to a small region of space.
of, pertaining to, resulting from, or using , , or atomic bombs: an atomic explosion. propelled or driven by : an atomic submarine. Chemistry. existing as free, uncombined . extremely minute. Contemporary Examples By 1951, Maclean was head of the American department of the Foreign Office, with access to the US atomic Energy Commission. What […]
- Atomic age
the period in history initiated by the first use of the atomic bomb and characterized by atomic energy as a military, political, and industrial factor. Contemporary Examples A haunting new exhibition at SFMOMA surveys the effects of the atomic age on a generation of daring Japanese photographers. Photography that Provokes Philip Gefter October 14, 2009 […]
- Atomic bomb
a bomb whose potency is derived from nuclear fission of atoms of fissionable material with the consequent conversion of part of their mass into energy. a bomb whose explosive force comes from a chain reaction based on nuclear fission in U-235 or plutonium. Contemporary Examples Fat Boy, like the atomic bomb, is both a miracle […]
- Atomic clock
an extremely accurate electronic clock regulated by the resonance frequency of atoms or molecules of certain substances, as cesium. noun an extremely accurate clock in which an electrical oscillator is controlled by the natural vibrations of an atomic or molecular system such as caesium or ammonia atomic clock An extremely precise clock whose rate is […]