pyrosis

noun

py·​ro·​sis pī-ˈrō-səs How to pronounce pyrosis (audio)
: heartburn

Word History

Etymology

New Latin, from Greek pyrōsis burning, from pyroun to burn, from pyr fire — more at fire

First Known Use

1772, in the meaning defined above

Time Traveler
The first known use of pyrosis was in 1772

Dictionary Entries Near pyrosis

pyroscope

pyrosis

pyrosmalite

See More Nearby Entries 

Cite this Entry

“Pyrosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrosis. Accessed 23 Nov. 2024.

Copy Citation

Share

Medical Definition

pyrosis

noun
py·​ro·​sis pī-ˈrō-səs How to pronounce pyrosis (audio)
: heartburn
Love words? Need even more definitions?

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

Popular in Grammar & Usage

See All

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Plural and Possessive Names: A Guide

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?
See All

Popular in Wordplay

See All

8 Words with Fascinating Histories

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things

10 Words from Taylor Swift Songs (Merriam's Version)

10 Scrabble Words Without Any Vowels
See All

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Word Game Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
Missing Letter A daily crossword with a twist
little chihuahua dressing like a turkey for thanksgiving
Giving Thanks Quiz Decide which words express gratitude and which gi...