Toll definition, a payment or fee exacted by the state, the local authorities, etc., for some right or privilege, as for passage along a road or over a bridge. See more. Dictionary.com
The International Union of Pure and Applied Chemistry (IUPAC, /ËaÉªjuËpÃ¦k/ or /ËjuËpÃ¦k/) is an international federation of National Adhering Organizations that represents chemists in individual countries. It is a member of the International Council for Science (ICSU).
It is also an analgesic (pain reliever) and an antipyretic (for reducing fever). The systematic IUPAC name for ibuprofen is 2-(4-isobutylphenyl)propanoic acid. or 2-(4-(2-methylpropyl)phenyl)propanoic acid.