I. (ˌ) ̷ ̷ˌ ̷ ̷( ̷ ̷)ˈment ə lˌizəm noun
( -s )
: a theory that views environment rather than heredity as the important factor in the development of the individual or a group — compare hereditarianism
• en·vi·ron·men·tal·ist - ə lə̇st noun or adjective
• en·vi·ron·men·tal·is·tic -ˌment ə lˈistik adjective
II. noun
: advocacy of the preservation, restoration, or improvement of the natural environment ; especially : the movement to control pollution