平面 píngmiàn HSK7 plane (geometry) Origin Definitions Defs Strokes Stroke Words Sentences Sents píngmiàn plane (geometry) · plane (character encoding) 平 píng adjective flat flat; level; even; smooth面 miàn noun plane (math) a surface or planepíngmiàn flat · print media 平 píng adjective flat flat; level; even; smooth面 miàn noun surface surface; top; the outside or right side of a garment or fabric