Acid rain and Soot

Acid rain noun - Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water.

Soot and acid rain are semantically related. in air pollution topic. In some cases you can use "Soot" instead a noun phrase "Acid rain".

Soot noun - A black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink.

Acid rain and soot are semantically related. You can use "Acid rain" instead a noun "Soot".

Nearby Words: sooty, sooted, sooting