nonphosphorous

phosphorous

[fos-fer-uhs, fos-fawr-uhs, -fohr-]
adjective Chemistry.
containing trivalent phosphorus.

Origin:
1770–80; phosphor- + -ous

nonphosphorous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To nonphosphorous
Collins
World English Dictionary
phosphorous (ˈfɒsfərəs)
 
adj
of or containing phosphorus in the trivalent state

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

phosphorous
1629, "the morning star," from L. Phosphorus "morning star," from Gk. Phosphoros "morning star," lit. "torchbearer," from phos "light" (related to phainein "to show, to bring to light;" see phantasm) + phoros "bearer," from pherein "to carry" (see
infer). Meaning "substance or organism that shines of itself" is attested from 1645. As the name of a non-metallic chemical element ["Accidentally obtained from urine in 1669 by Brandt, an alchemist of Hamburg, in the course of his search for the philosophers' stone." OED], it is recorded from 1680.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

phosphorous phos·pho·rous (fŏs'fər-əs, fŏs-fôr'əs)
adj.
Of, relating to, or containing phosphorus, especially with a valence of 3 or a valence lower than that of a comparable phosphoric compound.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature