— lability /leuh bil"i tee, lay-/ , n.
/lay"beuhl, -buyl/ , adj.
1. apt or likely to change.
2. Chem. (of a compound) capable of changing state or becoming inactive when subjected to heat or radiation.
[ 1400-50; late ME labyl labilis, equiv. to L lab ( i ) to slip + -ilis -ILE ]