三相点 Traditional form: 三相點 Pinyin (reading): sānxiàngdiǎn Definitions: triple point (thermodynamics) Characters: 三 - three 相 - mutual, reciprocal; equal; each other 点 - dot, point, speck Traditional characters: 三 - three 相 - mutual, reciprocal; equal; each other 點 - dot, point, speck