polyacid

[pol-ee-as-id] Chemistry.
adjective
1.
having more than one replaceable hydrogen atom.
2.
capable of reacting with more than one equivalent weight of an acid.
noun
3.
an acid having more than one replaceable hydrogen atom.
4.
an oxyacid containing the equivalent of extra molecules of its anhydride, as the polysulfuric acids, H 2 S 2 O 7 or H 2 SO 4 ⋅SO 3 , and H 2 S 3 O 1 0 or H 2 SO 4 ⋅2SO 3 .

Origin:
1855–60; poly- + acid

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To polyacid
Explore Dictionary.com
Previous Definition: poly/ml
Next Definition: polyacoustic
Words Near: polyacid
More from Thesaurus.com
Synonyms and Antonyms for polyacid
More from Reference.com
Search for articles containing polyacid
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Example sentences
The resin is unsaturated and consists of a poly- ester produced from the reaction of a polyacid and polyalcohol.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature