太陽光圧 たいようこうあつ Meanings Noun light pressure (from the sun) See also: 光圧 (こうあつ). Kanji 太 thick. Read as タイ. 陽 sunshine. Read as ヨウ. 光 light. Read as コウ. 圧 pressure. Read as アツ. Jinuma: Japanese Dictionary · Word lists