Usually with singular concord. The science or study of atoms, especially in relation to atomic energy and atomic weapons or (formerly) chemical phenomena; atomic physics.
Origin
Early 19th century. From atomic: see -ic.
Definition of atomics in US English:
atomics
nounəˈtɒmɪks
Usually with singular concord. The science or study of atoms, especially in relation to atomic energy and atomic weapons or (formerly) chemical phenomena; atomic physics.