释义 |
substantivity
substantivity (ˌsʌbstænˈtɪvɪtɪ) nthe quality or state of being substantivesubstantivity
substantivity (sŭb-stan-tiv'i-tē), Term comprising the adherent qualities of a sunscreen and its ability to be retained after the skin is exposed to water and perspiration. Persistence of effect of a topically applied drug or cosmetic, determined by the degree of physical and chemical bonding to the surface; resistance to removal or inactivation by sweating, swimming, bathing, and friction, among other factors.sub·stan·tiv·i·ty (sŭb'stăn-tiv'i-tē) 1. Property of continuing therapeutic action despite removal of vehicle. 2. The ability of an antimicrobial agent to retain its effectiveness in the mouth for an extended period. sub·stan·tiv·i·ty (sŭb'stăn-tiv'i-tē) Term comprising adherent qualities of a sunscreen and its ability to be retained after the skin is exposed to water and perspiration. |