Improved may refer to: *

Improved clinch knot The improved clinch knot, also known as the Salmon Knot, is a knot that is used for securing a fishing line to the fishing lure, but can also affix fishing line to a swivel, clip, or artificial fly An artificial fly or fly lure is a type of ...

, a knot commonly used to secure a fishing line *

Improved-definition television Improved-definition television (IDTV) or enhanced-quality television transmitters and receivers exceed the performance requirements of the NTSC standard, while remaining within the general parameters of NTSC emissions standards. IDTV improvements ...

(IDTV) *

Improved Touring Improved Touring is a category of classifications for cars in amateur road racing defined by the Sports Car Club of America. The class is used by other sanctioning bodies with compatible rules, such as the International Conference of Sports Car Clu ...

, a category of classifications for cars in amateur road racing *

Improved Orion Improved Orion is the designation of an American sounding rocket A sounding rocket or rocketsonde, sometimes called a research rocket or a suborbital rocket, is an instrument-carrying rocket designed to take measurements and perform scientif ...

, an American research rocket *

LNWR Improved Precedent Class The London and North Western Railway (LNWR) Improved Precedent Class or Renewed Precedent Class is a class of steam locomotives originally designed for express passenger work. They later gained the nickname of ''Jumbos''. History The locomotiv ...

, a class of 2-4-0 steam locomotive originally designed for express passenger work

See also