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phosphorous

American  
[fos-fer-uhs, fos-fawr-uhs, -fohr-] / ˈfɒs fər əs, fɒsˈfɔr əs, -ˈfoʊr- /

adjective

Chemistry.
  1. containing trivalent phosphorus.


phosphorous British  
/ ˈfɒsfərəs /

adjective

  1. of or containing phosphorus in the trivalent state

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonphosphorous adjective

Etymology

Origin of phosphorous

First recorded in 1770–80; phosphor- + -ous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The report from environment groups Size of Wales and WWF Cymru says the soy is high in phosphorous, and becomes a pollutant when animal manure spread on land runs off into rivers.

From BBC

The microbes multiply as they consume the hydrogen, the carbon dioxide, and a few additional nutrients, such as calcium and phosphorous.

From Salon

White phosphorous is a chemical substance that ignites immediately on contact with oxygen.

From BBC

Fertilisers – like chicken manure - add additional nutrients like phosphorous and nitrogen to rivers.

From BBC

But even if your porridge is made with water, oats are a good source of manganese, phosphorous and zinc, as it is.

From Salon