長ちょう軟なん毛もうMeanings1nounvillusbotanyBotanical term for the tiny hair-like projections on plant surfaces, especially in contexts like root hairs or epidermal structures.根ねの表ひょう面めんには長ちょう軟なん毛もうが密みっ生せいしている。Villi grow densely on the surface of the root.