Abscissa :: Abscissa (n.) One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal coordinate axes..
Abscission :: Abscission (n.) The act or process of cutting off.
Abscission :: Abscission (n.) The state of being cut off.
Abscission :: Abscission (n.) A figure of speech employed when a speaker having begun to say a thing stops abruptly: thus, He is a man of so much honor and candor, and of such generosity -- but I need say no more..