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phosphoro-

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a combining form representing phosphorus in compound words: phosphoroscope.

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Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Also especially before a vowel, phosphor-.
Compare phospho-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for phosphoro-

phosphoro-

pref.

Phosphorus:phosphorous acid.
Phosphorescent:phosphorogen.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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