Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Help
Help
Help
 
     

grav·i·ta·tion

gravitation

 
pronunciation:
grae v teI shn
part of speech: noun
definition: the force that pulls planets, stars, or particles toward one another.
Gravitation holds people and other objects to the surface of the earth.
derivations: gravitational (adj.), gravitationally (adv.)