Vipera berus, also known as the common European adder and the common European viper, is a species of venomous snake in the family Viperidae. The species...

An adder, or summer, is a digital circuit that performs addition of numbers. In many computers and other kinds of processors, adders are used in the arithmetic...

The puff adder (Bitis arietans) is a highly venomous viper species found in savannahs and grasslands from Morocco and western Arabia throughout Africa...

Black adder may refer to either of two classifications of snake: Vipera berus, a viper species found in Europe and Asia Eastern hognose snake, a basically...

The common death adder (Acanthophis antarcticus) is a species of death adder native to Australia. It is one of the most venomous land snakes in Australia...

Michael de Adder CM (born May 25, 1967) is a Canadian editorial cartoonist and caricaturist. Born in Moncton, he attended Riverview High School. He then...

An adder stone is a type of stone, usually glassy, with a naturally occurring hole through it. Such stones, which usually consist of flint, have been...

A carry-lookahead adder (CLA) or fast adder is a type of electronics adder used in digital logic. A carry-lookahead adder improves speed by reducing the...

up adder or Adder in Wiktionary, the free dictionary. Vipera berus, the common European adder, is a snake found in Europe and northern Asia. Adder may...

Acanthophis is a genus of elapid snakes. Commonly called death adders, they are native to Australia, New Guinea and nearby islands, and are among the most...