tonicity

== English == === Etymology === From tonic +‎ -ity. === Pronunciation === IPA(key): /təˈnɪsɪti/ === Noun === tonicity (plural tonicities) (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 ==== Related terms ==== hypertonic hypotonic isotonic ==== Translations ==== === Anagrams === onticity