Undergoing spontaneous change or destruction during the passage of time. ... Origin: L. Tempus, time, + labilis, perishable ... (05 Mar 2000) ... 
(tem″po-la´bәl) (-la´bīl) subject to change with the passage of time.
Type: Term Pronunciation: tem′pō-lā′bīl, -bīl Definitions: 1. Undergoing spontaneous change or destruction during the passage of time.