貧栄養湖 ひんえいようこ Meanings Noun lake with low nutrient level; oligotrophic lake; unproductive lake Kanji 貧 poor. Read as ヒン. 栄 flourish. Read as エイ. 養 nourish. Read as ヨウ. 湖 lake. Read as コ. Jinuma: Japanese Dictionary · Word lists