Definition of the Unabomber from the Oxford Advanced Learner's Dictionary

 

the Unabomber

 
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the name used especially by the press and the police to refer to a person in the US who for 17 years (1978-95) sent bombs to people in universities and airline companies who he thought supported modern technology. The bombs killed three people and injured 23. Theodore Kaczynski, a former mathematics teacher at the University of California at Berkeley, was arrested in 1996 and charged with being the Unabomber. He was found guilty and sent to prison for life in 1998.