Daily Almanac for
Nov 30, 2009
Search: Infoplease Info search tips
Search: Biographies Bio search tips

Dictionary


dark' mat"ter




a hypothetical form of matter invisible to electromagnetic radiation, postulated to account for gravitational forces observed in the universe.

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

darklydark meat
    • Cite
    • Print
    • Bookmark
See also:

 

Related Content