n.
Pronunciation: ab- ' si-s ə
Function: noun
Inflected Form: plural abscissas also ab · scis · sae \ - ' si-( ˌ )s ē \
Etymology: New Latin, from Latin, feminine of abscissus, past participle of abscindere to cut off, from ab- + scindere to cut ― more at SHED
Date: 1694
: the horizontal coordinate of a point in a plane Cartesian coordinate system obtained by measuring parallel to the x-axis ― compare ORDINATE
AP abscissa of point P