time as measured by an atomic clock; International Atomic Time
Our clocks set with atomic time change themselves for daylight savings time.
- Atomic unit of length
. (in the Bohr atom) the radius of the electron orbit having the lowest energy.
- Atomic veteran
a veteran of the armed forces who was exposed to radioactivity during the testing or use of nuclear (atomic) weapons in World War II or subsequent wars.
- Atomic volume
the atomic weight of an element divided by its density. Abbreviation: at. vol. Historical Examples The equivalent and the density being known, we may calculate the atomic volume. Scientific American Supplement, No. 365, December 30, 1882 Various noun the atomic weight (relative atomic mass) of an element divided by its density
- Atomic weight
the average weight of an atom of an element, formerly based on the weight of one hydrogen atom taken as a unit or on 1/16 (0.0625) the weight of an oxygen atom, but after 1961 based on 1/12 the weight of the carbon-12 atom. Abbreviation: at. wt. Historical Examples From the following data calculate the […]