育成 いくせい rearing N1 #2,724 Meanings noun, takes する, transitive rearing; training; nurture; cultivation; promotion Its kanji 育 イク · そだ.つ、そだ.ち、そだ.てる、はぐく.む bring up, grow up, raise, rear 成 セイ、ジョウ · な.る、な.す、-な.す turn into, become, get, grow, elapse, reach