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A '''phenomenon''' ([[Ancient Greek|Greek]]: φαινόμενo, pl. φαινόμενα'' is an observable event or, quite literally, something that can be seen.  Derived from the noun φαινόμενον, (''phainomenon, df. appearance''), it is also related to the verb - φαινειν ''phainein, df. to show''.  

A '''phenomenon''' ([[Ancient Greek|Greek]]: φαινόμενo, pl. φαινόμενα'' is an observable event or, quite literally, something that can be seen.  Derived from the noun φαινόμενον, (''phainomenon, df. appearance''), it is also related to the verb - φαινειν ''phainein, df. to show''.  

In general, apart from its original use as a term in philosophy, ''phenomenon'' stands for any observable event.  Some observable events are commonplace, while others require delicate manipulation of expensive and sensitive equipment.  Phenomena make up the raw data of [[science]], and are often exploited by [[technology]].  

In general, apart from its original use as a term in philosophy, ''phenomenon'' stands for any observable event.  Some observable events are commonplace, while others require delicate manipulation of expensive and sensitive equipment.  Phenomena make up the raw data of [[science]], and are often exploited by [[technology]].