English Dictionary

tonicity

/təˈnɪsɪti/

noun

(medicine) The normal presence of tone or tension in a muscle or organ; tonus / (sciences) The ability of nonpenetrable solutes in a solution to exert an osmotic pressure upon a membrane

The tonicity of the solution affects the movement of water across the cell membrane.

意味（1）

(medicine) The normal presence of tone or tension in a muscle or organ; tonus

意味（2）

(sciences) The ability of nonpenetrable solutes in a solution to exert an osmotic pressure upon a membrane