Definition of abscissa. plural. abscissas. also. abscissae. play \-Ësi-(Ë)sÄ\. : the horizontal coordinate of a point in a plane Cartesian coordinate system obtained by measuring parallel to the x-axis â compare ordinate.
Most RV parks provide either partial hookups, which include electricity and water, or full hookups, which add sewer service. Some deluxe parks also include hookups for cable television and telephone lines.
A fresh water tank, 12-volt battery-operated appliances and holding tanks allow most RV travelers to disconnect from utilities for a few days. Hookups provide increased comfort, including the ability to use unlimited water and run items that draw a great deal of power such as televisions and air conditioners.