Medical Dictionary

1

polyacid

play
noun poly·ac·id \ ˈpäl-ē-ˌas-əd \

medical Definition of polyacid

1 :an acid (as phosphoric acid) having more than one acid hydrogen atom
2 :an acid of a large group of oxygen-containing acids

2

polyacid

adjective

medical Definition of polyacid

:able to react with more than one molecule of a monoacid to form a salt used especially of bases

Seen and Heard

What made you want to look up polyacid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

all at once

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!