orthophosphoric acid

[ awr-thoh-fos-fawr-ik, -for-, awr- ]
/ ˈɔr θoʊ fɒsˈfɔr ɪk, -ˈfɒr-, ˌɔr- /

noun Chemistry.

a colorless, crystalline solid, H3PO4, the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?

Origin of orthophosphoric acid

First recorded in 1870–75; ortho- + phosphoric acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for orthophosphoric acid

orthophosphoric acid
/ (ˌɔːθəʊfɒsˈfɒrɪk) /

noun

a colourless soluble solid tribasic acid used in the manufacture of fertilizers and soaps. Formula: H 3 PO 4Also called: phosphoric acid
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

Medical definitions for orthophosphoric acid

orthophosphoric acid
[ ôr′thō-fŏs-fôrĭk ]

n.

phosphoric acid
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.