side effect

Pronunciation:		sId i'fekt
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WordNet Dictionary

	Definition:	[n] any unwanted secondary effect [n] a secondary and usually adverse effect of a drug or therapy; "severe headaches are one of the side effects of the drug"

	See Also:	black tongue, consequence, effect, effect, event, furry tongue, hairy tongue, issue, outcome, result, upshot

Computing Dictionary

	Definition:	A language construct that modifies the state of the system. The most common side-effects are assignment, input and output. A language without side-effects is purely-functional - execution consists of the evaluation of an expression and all subexpressions are referentially transparent.

Medical Dictionary

	Definition:	A secondary and usually adverse effect, as from a drug or other treatment. For example, nausea is a side effect of some anticancer drugs.

Biology Dictionary

	Definition:	An undesired effect of drug treatment that may range in severity from barely noticeable, to uncorfortable, to dangerous. Side effects are usually predictable.