Science Dictionary
compound   (kŏm'pound')  Pronunciation Key 
A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule. The elements cannot be separated by physical means. Water, for example, is a compound having two hydrogen atoms and one oxygen atom per molecule.

Adjective   Composed of more than one part, as a compound eye or leaf.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Explore Dictionary.com
Previous Definition: un-compassable
Next Definition: un-compounded
Words Near: un-compoundable
More from Thesaurus.com
Synonyms and Antonyms for un-compoundable
More from Reference.com
Search for articles containing un-compoundable
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature