Definition of 原子時代 (げんしじだい)

noun
atomic age
Related Kanji
meadow, original, primitive, field, plain, prairie, tundra, wilderness
child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
time, hour
substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee