price / generation of a family / reign of a royal / decade / era

world

technology

to evolve

evolution

world / a metaphorical world (how one lives one's life) / society, the times / a realm, a circle, a sphere / (Buddhism) the four inner realms of 須弥山 (Shumisen) / (Buddhism) realm governed by a buddha

nanotechnology

(archaic) substitution / (archaic) price, cost, charge / (historical) shiro, a unit of land

world, society / (archaic) age, generation, era of rule

generation of a royal family / era, age, decade