Definition of nonpoint source in English:

nonpoint source

Syllabification: non·point source
Pronunciation: /ˌnänˈpoint ˌsôrs
 
/

noun

A source of pollution that issues from widely distributed or pervasive environmental elements: Compare with point source. cattle are the leading nonpoint source of pollution in Canada today
More example sentences
  • As he points out, good forestry is part of the solution to nonpoint source pollution.
  • Water bodies can violate water quality standards because of either point source or nonpoint source pollution.
  • In its program, a state or territory describes how it will implement nonpoint source pollution controls, known as management measures.

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Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected