natural resource definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an actual or potential form of wealth supplied by nature, as coal, oil, water power, arable land, etc.
natural resource definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A material source of wealth, such as timber, fresh water, or a mineral deposit, that occurs in a natural state and has economic value.