向性 こうせい Meanings Noun tropism Kanji 向 toward. Read as コウ. 性 nature. Read as セイ. Words containing 向性 方向性 (ほうこうせい) direction 指向性 (しこうせい) directivity 志向性 (しこうせい) intentionality And 12 more. Jinuma: Japanese Dictionary · Word lists