an atomic clock which uses the 1.4 GHz transition in a hydrogen atom to measure time to within 0.45 nanoseconds over a span of 12 hours

plural of hydrogen maser atomic clock

Alternative form of atomizer

plural of atomus

Of or pertaining to atoms or to atomism. / Divided into separate elements; not holistic.

An adherent of atomism; one who believes matter is composed of elementary indivisible particles. / An adherent of the atomic theory.

plural of atomist

(British spelling) Alternative spelling of atomize

Third-person singular simple present indicative form of atomise

plural of atomiser