hydrolabile

hy·dro·la·bile

(hī'drō-lā'bil),
Unstable in the presence of water.

hydrolabile

(hī″drō-lā′bĭl)
1. Chemically unstable in the presence of water.
2. Having the tendency to lose weight because of fluid loss possibly owing to gastrointestinal disease or because of decreased salt or carbohydrate intake.