relating to a compound of two or more hydroxyl groups
polyacid in American English
(ˌpɑliˈæsɪd)
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, H2S2O7or H2SO4⋅SO3, and H2S3O10 or H2SO4⋅2SO3
Word origin
[1855–60; poly- + acid]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: boilerplate, kickoff, output, pipeline, specialistpoly- is a combining form with the meanings “much, many” and, in chemistry, “polymeric,”used in the formation of compound words. Other words that use the affix poly- include: polyandrous, polyculture, polyethylene
Examples of 'polyacid' in a sentence
polyacid
The investigation of new glass compositions and polyacid components are very important to improve the mechanical properties of these cements.
Naruporn Monmaturapoj, Siriporn Tanodekaew, Wiwaporn Soodsawang 2009, 'Effect of glass and polyacid preparations on the strength of glass ionomer cementsfor dental applications', Songklanakarin Journal of Science and Technology (SJST)http://www.rdoapp.psu.ac.th/html/sjst/journal/31-3/0125-3395-31-3-337-342.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)