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eco-nut
eco-nut n. 
/ˈɛkəʊnʌt/, /ˈikoʊˌnət/
Brit. /ˈiːkəʊnʌt/
, /ˈiːkəʊnʌt//ˈɛkəʊnʌt/U.S. /ˈɛkoʊˌnət/
, /ˈɛkoʊˌnət//ˈikoʊˌnət/ΚΠ
1971 Independent Press-Telegram (Long Beach, Calif.) 6 Feb. c11/1 Eco-nuts. Not a new brand of edibles.
1972 Analog Aug. 4/1 The ‘econuts’ rage against science and technology, and the scientists dither in dignified confusion.
2006 Vanity Fair (N.Y.) May 106/2 [He] contends that global warming is a conspiracy concocted by eco-nuts.
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