Adder may refer to:
*
AA-12 Adder, a Russian air-to-air missile
*
Adder (electronics), an electronic circuit designed to do addition
*
Adder Technology, a manufacturing company
*
Armstrong Siddeley Adder, a late 1940s British turbojet engine
* ''
Blackadder
''Blackadder'' is a series of four period British sitcoms, plus several one-off instalments, which originally aired on BBC One from 1983 to 1989. All television episodes starred Rowan Atkinson as the antihero Edmund Blackadder and Tony Robins ...
'', a series of BBC sitcoms
* ''
Golden Axe: The Revenge of Death Adder'', a video game
*
HMS ''Adder'', any of seven ships of the Royal Navy
* Any of several groups of venomous
snakes
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joi ...
**
Common European adder
''Vipera berus'', the common European adderMallow D, Ludwig D, Nilson G. (2003). ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. . or common European viper,Stidworthy J. (1974). ...
, found in Europe and northern Asia
*
USS ''Adder'', a US submarine
See also
*
Addition
Addition (usually signified by the Plus and minus signs#Plus sign, plus symbol ) is one of the four basic Operation (mathematics), operations of arithmetic, the other three being subtraction, multiplication and Division (mathematics), division. ...
, a mathematical operation
{{disambiguation