nonpolluting

adjective
non·​pol·​lut·​ing | \ ˌnän-pə-ˈlü-tiŋ How to pronounce nonpolluting (audio) \

Definition of nonpolluting

: causing little or no pollution : not polluting nonpolluting industries nonpolluting energy sources

First Known Use of nonpolluting

1870, in the meaning defined above

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