What does AT P stand for?

What does AT P mean?

ATP	Ambient Temperature Pressure Academic & Science » Chemistry
ATP	All Things Possible Miscellaneous » Unclassified
ATP	Aitape, Papua New Guinea Regional » Airport Codes
ATP	All Tests Passed Computing » General
ATP	Adaption To Technical Progress Miscellaneous » Unclassified
ATP	Al The Pal Miscellaneous » Funnies
ATP	Anonymous Tennis Players Community » Sports
ATP	American Tennis Psychologists Business » Firms
ATP	Autotransformer Thermal Protection Academic & Science » Electronics
ATP	Adenisyne Tri Phosphate Miscellaneous » Unclassified
ATP	American Tennis Promotion Community » Sports
ATP	Attempt To Please Miscellaneous » Unclassified
ATP	All Terrain Professional Miscellaneous » Unclassified
ATP	Asociación de Traductores Profesionales, AC International » Mexican
ATP	Active Time Penalty Miscellaneous » Unclassified
ATP	Ask The Populars Miscellaneous » Unclassified
ATP	Adenosine Tri Phosphatea Miscellaneous » Unclassified
ATP	Association of Topping Pandas Miscellaneous » Funnies
ATP	Adenosine Triphosphate The P Miscellaneous » Unclassified
ATP	Advance Trainfire Program Miscellaneous » Unclassified
ATP	Aluminum Tire Pump Business » Products
ATP	Another Teaching Period Miscellaneous » Unclassified
ATP	Automated Test Panel Miscellaneous » Unclassified
ATP	Academically Talented Program Miscellaneous » Unclassified
ATP	Asymmetric Transport Protocol Computing » Networking