高こう純じゅん度ど

noun, na-adjective, noun which may take the genitive case particle 'no'

high purity

Used as a noun or adjectivally (な/の) to describe substances, materials, or abstract qualities that are highly pure.

• この研けん究きゅう所じょでは高こう純じゅん度どのシリコンを製せい造ぞうしている。