
1) Abacus 2) Abacus often 3) Abacus operator 4) Abacus user 5) Abacus wielder 6) Abacus, at times 7) Accountant, often 8) Asp cousin 9) Asp relative 10) Bill checker 11) Calculating one, at times 12) Calculating person 13) Calculating reptile 14) Calculating snake 15) Calculator 16) Calculator, at times
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https://www.crosswordclues.com/clue/adder
[electronics] In electronics, an adder or summer is a digital circuit that performs addition of numbers. In many computers and other kinds of processors, adders are used not only in the arithmetic logic unit(s), but also in other parts of the processor, where they are used to calculate addresses, table indices, and similar operations. Altho...
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http://en.wikipedia.org/wiki/Adder_(electronics)

• (n.) One who, or that which, adds; esp., a machine for adding numbers. • (n.) A serpent. • (n.) A small venomous serpent of the genus Vipera. The common European adder is the Vipera (/ Pelias) berus. The puff adders of Africa are species of Clotho. • (n.) In America, the term is commonly applied to several harmless snakes, as ...
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http://thinkexist.com/dictionary/meaning/adder/

any of several groups of venomous snakes of the viper family, Viperidae, and the Australo-Papuan death adders, viperlike members of Elapidae, the ... [2 related articles]
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http://www.britannica.com/eb/a-z/a/17

1. A serpent. 'The eddre seide to the woman.' ... 2. <zoology> A small venomous serpent of the genus Vipera. The common European adder is the Vipera (or Pelias) berus. The puff adders of Africa are species of Clotho. In America, the term is commonly applied to several harmless snakes, as the milk adder, puffing adder, etc. ... Same as Sea Add...
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http://www.encyclo.co.uk/local/20973

(ad´әr) any of many venomous snakes of the family Viperidae, such as the puff adder. death adder Acanthophis antarcticus, an extremely venomous elapid snake of Australia and New Guinea with a short, stout body and a tail with a spine at the tip. puff adder ...
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http://www.encyclo.co.uk/local/21001
Ad'der noun [ Middle English
addere ,
naddere ,
eddre , Anglo-Saxon
nædre , adder, snake; akin to Old Saxon
nadra , Old High German
natra ,
natara , German
natter , Goth.
nadrs , Icelandic
naðr , masc.,
naðra , fem.: ...
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http://www.encyclo.co.uk/webster/A/26
Add'er noun [ See
Add .] One who, or that which, adds; esp., a machine for adding numbers.
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http://www.encyclo.co.uk/webster/A/26

Type: Term Pronunciation: ad′ĕr Definitions: 1. Common name for many members of the family Viperidae (the vipers), applied to several genera, although true adders are of the genus Vipera.
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http://www.medilexicon.com/medicaldictionary.php?t=1059

The adder is a venomous snake of the viper family (Viperidae) found in England and Australia. There are three species, the Vipera berus (European
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http://www.probertencyclopaedia.com/browse/BA.HTM

[
n] - a machine or person that adds 2. [n] - small terrestrial viper common in northern Eurasia
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http://www.webdictionary.co.uk/definition.php?query=adder

Nato codename for Vympel R-77 AAM, Unofficially it is known as AMRAAMski. [SU;RU]
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https://www.encyclo.co.uk/local/20785
noun a machine that adds numbers
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https://www.encyclo.co.uk/local/20974
(snake) Click images to enlargeEuropean venomous snake, the common viper
Vipera berus. Growing on average to about 60 cm/24 in in length, it has a thick body, a triangular head, with a characteristic V-shaped mark and, ofte...
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https://www.encyclo.co.uk/local/21221

the common European viper, Vipera berus. · any of various other venomous or harmless snakes resembling the viper.
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https://www.infoplease.com/dictionary/adder
No exact match found.