直ちょっ交こう座ざ標ひょうちょっこうざひょうMeanings1nounCartesian coordinates; rectangular coordinatesMathematical term for a coordinate system defined by perpendicular axes. Used in geometry, physics, and engineering.点てんの位い置ちを直ちょっ交こう座ざ標ひょうで表あらわす。