純じゅん正せい科か学がくじゅんせいかがくMeanings1nounpure scienceRefers to scientific research conducted for the sake of knowledge itself, without immediate practical application; contrasts with applied science (応用科学).純じゅん正せい科か学がくの研けん究きゅうは、時ときに思おもいがけない応おう用ようを