Site Map | FAQ

• Editor's Favorites
  • Answerplease: A new Q & A site
  • Asian Pacific American Heritage Month
  • Gay Pride Month
  • Everest Almanac
  • Memorial Day
  • Conversion Calculator
  • Campaign 2012
  • Country Profiles
  • Most Populous Cities of the World
  • Holidays in America
  • 50 States
  • Color Psychology
  • Top 50 U.S. Cities
  • Infoplease's Facebook page
  • Follow Infoplease on Twitter

 

Dictionary

or•tho•hy•dro•gen

Pronunciation: (ôr"thu-hī'dru-jun), [key]
—n. Physics, Chem.
the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in the same direction. Cf. parahydrogen.

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

orthography

orthokeratology

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

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

Find definitions for: