geometry /ʤiˈɑːmətri/ noun Learner's definition of GEOMETRY
[noncount]
: a branch of mathematics that deals with points, lines, angles, surfaces, and solids几何（学）
— geometric
/ˌʤiːjəˈmɛtrɪk/ also geometrical /ˌʤiːjəˈmɛtrɪkəl/ adjective — geometrically
/ˌʤiːjəˈmɛtrɪkli/ adverb 