acid rain, definition of

Acid Rain

Rainwater that has an acidity content greater than the postulated natural pH of about 5.6. It is formed when sulfur dioxides and nitrogen oxides, as gases or fine particles in the atmosphere, combine with water vapor and precipitate as sulfuric acid or nitric acid in rain, snow, or fog. The dry forms are acidic gases or particulates.

EcoWho blog posts where 'acid rain' used:News & Blog articles where 'acid rain' used:

Related Tags: acid rain, atmosphere

Search the Web for Acid Rain
What is acid rain?
acid rain definition.
About acid rain.

Click on a letter to see all the terms and definitions that begin with that letter.

A free Android app containing all these definitions is now available, called the Green Dictionary. Click here to see the entry on the Android market; or click here if on an Android phone.