释义 |
to·nic·i·ty I. \tōˈnisəd.ē, -ətē, -i\ noun (-es) Etymology: tonic (I) + -ity 1. : the condition or property of possessing muscular, systemic, mental, or moral tone : vigor, health 2. : muscular tonus 3. : normal responsiveness of a plant to external stimuli II. noun : the osmotic pressure of a solution |