polyacid

[ pol-ee-as-id ]
/ ˌpɒl iˈæs ɪd /
Chemistry

adjective

having more than one replaceable hydrogen atom.
capable of reacting with more than one equivalent weight of an acid.

noun

an acid having more than one replaceable hydrogen atom.
an oxyacid containing the equivalent of extra molecules of its anhydride, as the polysulfuric acids, H2S2O7 or H2SO4⋅SO3, and H2S3O10 or H2SO4⋅2SO3.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of polyacid

First recorded in 1855–60; poly- + acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020