[ek-oh-freek, ee-koh-] /ˈɛk oʊˌfrik, ˈi koʊ-/
noun, Slang: Often Disparaging.
a zealous or overly zealous environmentalist or preservationist.
a person who is zealous about environmental protection and preservation
An environmentalist and conservationist; Duck Squeezer, eagle freak: Ecofreaks will love the clean-burning engine (1972+)
/ˈiːkəʊˌfrɛndlɪ/ adjective 1. having a beneficial effect on the environment or at least not causing environmental damage adj. also eco-friendly, by 1993, from eco- + friendly.
adjective not harmful to the environment
electrocorticography Eastern Cooperative Oncology Group
[ek-oh-haz-erd, ee-koh-] /ˈɛk oʊˌhæz ərd, ˈi koʊ-/ noun 1. any substance or activity that poses a threat to a habitat or an environment: Off-the-road motorcycling is an ecohazard to fragile desert habitats.