可か展てん面めんじ字FuriganaMeanings1noundevelopable surfacemathematics›Technical term in differential geometry for a surface that can be flattened onto a plane without distortion.円えん柱ちゅうの側そく面めんは可か展てん面めんの一いち例れいである。The lateral surface of a cylinder is an example of a developable surface.
