pol·y·dip·si·a 
(pŏl′ē-dĭpsē-ə)
(pŏl′ē-dĭpsē-ə)n.
Excessive or abnormal thirst.
[POLY- + Greek dipsa, thirst + -IA1.]
pol′y·dipsic adj.
- miscarry
- miscast
- miscegenation
- miscegenational
- miscellanea
- miscellaneous
- miscellaneously
- miscellaneousness
- miscellanist
- miscellany
- mischance
- mischaracterization
- mischaracterize
- mischief
- mischief-maker
- mischief-making
- mischievous
- mischievously
- mischievousness
- miscibility
- miscible
- misclassification
- misclassify
- miscommunication
- misconceive