a male given name

strong, durable, powerful / strong, competent, good / high tolerance, resilient

strength

power plant

nuclear electric power generation (abbr. 原発)

personal generation of electricity / (slang) masturbation

(electricity) generator (machine that converts mechanical energy into electrical energy)

not always, not necessarily / not completely / not exactly, not strictly speaking, not technically

stiffen / for a person to freeze, for one's expression to freeze

ferromagnetism