Site Map | FAQ

• Editor's Favorites
  • Answerplease: A new Q & A site
  • Black History Month
  • Valentine's Day
  • 2011 Year in Review
  • Campaign 2012
  • Country Profiles
  • Most Populous Cities of the World
  • Holidays in America
  • 50 States
  • Conversion Calculator
  • Color Psychology
  • Top 50 U.S. Cities
  • Infoplease's Facebook page
  • Follow Infoplease on Twitter

 

Dictionary

touch•stone

Pronunciation: (tuch'stōn"), [key]
—n.
1. a test or criterion for the qualities of a thing.
2. a black siliceous stone formerly used to test the purity of gold and silver by the color of the streak produced on it by rubbing it with either metal.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

touchscreen

touch system

• • Cite
  • Print
  • Email
  • Bookmark
    • Add bookmark
    • Add to del.icio.us
    • Digg It!
    • Add to Reddit

Related Content Daily Word Quiz: polymath Analogy of the Day: Today's Analogy Spelling Bee: Today's Spelling Bee Kids' Word Quiz: resilient Crossword: Crossword Puzzle Guide Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language

Find definitions for: