phosphoro-
- a combining form representing phosphorus in compound words: phosphoroscope.
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Also especially before a vowel, phosphor-.
Compare phospho-.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
phosphoro-
- Phosphorus:phosphorous acid.
- Phosphorescent:phosphorogen.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.