follow Dictionary.com

What is the X in X-mas?

hess, harry hammond

hess, harry hammond in Science
Hess
  (hěs)   
American geologist who studied the sea floor and developed the theory of sea-floor spreading in 1960. Hess theorized that sea floors were constantly renewed by the flow of magma from the Earth's mantle through the oceanic rifts. This hypothesis became an important component of the theory of plate tectonics.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Word Value for hess,

0
0
Scrabble Words With Friends

Nearby words for hess, harry hammond