Definition of "enviro" []

• Informal An environmentalist. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "At the website for Earth Hour, you'll note the shift in enviro-cabulary: there are four references to "climate change" and only one reference to "global warming.""
• "Oh wait, you can’t ask Michael Creighton because he’s dead and rotting in enviro-hell!"
• "Even the big name enviro funds are split on this issue."