hyperosmolality

noun
hy·​per·​os·​mo·​lal·​i·​ty | \ ˌhī-pə-ˌräz-mō-ˈlal-ət-ē How to pronounce hyperosmolality (audio) \
plural hyperosmolalities

Medical Definition of hyperosmolality

: the condition especially of a bodily fluid of having abnormally high osmolality