Dictionary Home »
Webster's New World College Dictionary » rule of thumb
rule of thumb
rule of thumb definition
rule of thumb
- a rule based on experience or practice rather than on scientific knowledge
- any method of estimating that is practical though not precise
Etymology: from the method of measuring by the thumb
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Comments
Improve this definition.
Browse dictionary definitions near rule of thumb
Share on Facebook