phosphorus, phosphorous

The noun phosphorus refers to the chemical element that glows in the dark and burns when in contact with oxygen.

  • This iron ore contains very little phosphorus.

The adjective phosphorous means “of, relating to or containing phosphorus.”

  • Since the chemical processes used to treat phosphorous iron ore cause pollution, they are being replaced with other methods.

Copyright notice for Writing Tips Plus

© His Majesty the King in Right of Canada, represented by the Minister of Public Services and Procurement
A tool created and made available online by the Translation Bureau, Public Services and Procurement Canada

Search by related themes

Want to learn more about a theme discussed on this page? Click on a link below to see all the pages on the Language Portal of Canada that relate to the theme you selected. The search results will be displayed in Language Navigator.