Original: The word "Dalek" has entered the Oxford English Dictionary and other major dictionaries; the Collins Dictionary defines it rather broadly as "any of a set of fictional robot-like creations that are aggressive, mobile, and produce rasping staccato speech".
Simplified: The word "Dalek" has been put into the Oxford English Dictionary and other major dictionaries; the Collins Dictionary defines it rather broadly as "any of a set of fictional robot-like creations that are aggressive, mobile, and produce rasping staccato speech".