Indian file, alpha decay, array, articulation, atom-chipping, atom-smashing, atomic disintegration, atomic reaction, atomization, bank, beta decay, bombardment, breeding, bullet, buzz, catena, catenation, chain, chain of circumstances, chaining, chapter of accidents, cleavage, concatenation, concatenation of events, connection, consecution, continuum, course, cycle, descent, disintegration series, dissociation, drone, endless belt, endless round, exchange reaction, feast and famine, file, filiation, fission, fission reaction, gamma decay, gamut, gradation, hum, ins and outs, ionization, line, lineage, monotone, neutron reaction, nexus, nonreversible reaction, nuclear fission, nucleization, pendulum, periodicity, photodisintegration, plenum, powder train, progression, proton gun, proton reaction, queue, range, rank, recurrence, reticulation, reversible reaction, rotation, round, routine, row, run, scale, sequence, series, single file, spectrum, splitting the atom, stimulation, string, succession, swath, target, thermonuclear reaction, thread, tier, train, ups and downs, vicious circle, vicissitudes, vicissitudes of fortune, windrow

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