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OSS
ossa
Ossa, Mount
ossature
ossein
osseous
Osset
Ossetic
ossia
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osmoregulation
os·mo·reg·u·la·tion [ òzmō regyə láysh'n, òssmō regyə láysh'n ]


noun 
Definition:
 
regulation of osmotic pressure: control of the concentration of dissolved substances in the cells and body fluids of an animal
[Mid-20th century. <osmosis]

os·mo·reg·u·la·to·ry [ òz mō réggyələ tàwree ] adjective
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