Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

periodic acid

noun per·iod·ic acid \ ˌpər-(ˌ)ī-ˈä-dik- \

Definition of periodic acid

: any of the strongly oxidizing acids (such as H5IO6 or HIO4) that are the most highly oxidized acids of iodine

Origin and Etymology of periodic acid

International Scientific Vocabulary per- + iodic

Medical Dictionary

periodic acid

noun per·iod·ic acid \ ˌpər-(ˌ)ī-ˌäd-ik- \

medical Definition of periodic acid

: any of the strongly oxidizing iodine-containing acids (as H5IO6 or HIO4)

Seen and Heard

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

show hide

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

exigent

play

requiring immediate aid or action

Get Word of the Day daily email!

TRENDING NOW

  1. mistrial 'a trial that terminates without a verdict'

  2. hogwash 'nonsense, balderdash'

  3. probity 'adherence to the highest principles and ideals'

  4. sequacious 'intellectually servile'

  5. inadmissible 'not capable of being allowed'

SEE ALL

BROWSE DICTIONARY

periodic acid

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!

Words at Play

Ask the Editors

Word Games