abscissa
/æbˈsɪsə/noun
(pl. abscissae /-siː/ 或abscissas)
- Mathematics (in a system of coordinates) the distance from a point to the vertical or y-axis, measured parallel to the horizontal or x-axis; the x-coordinate【数】横坐标。比较 ORDINATE.
词源
early 17th cent. (denoting the part of a line between a point on it and the point of intersection with an ordinate)： from modern Latin abscissa (linea) 'cut-off(line)', feminine past participle of abscindere （see ABSCISSION）.