peroral

adjective

per·oral (ˌ)pər-ˈȯr-əl

per-,

-ˈär-

: occurring through or by way of the mouth

perorally

(ˌ)pər-ˈȯr-ə-lē

per-

-ˈär-

adverb

Word History

Etymology

International Scientific Vocabulary

First Known Use

1908, in the meaning defined above

Time Traveler

The first known use of peroral was in 1908

See more words from the same year

Browse Nearby Words

peropus

peroral

perorate

See all Nearby Words

Cite this Entry

Style

“Peroral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peroral. Accessed 24 Mar. 2025.

Copy Citation

Medical Definition

peroral

adjective

per·oral (ˌ)pər-ˈōr-əl, pe(ə)r-, -ˈȯr-, -ˈär-

: done, occurring, or obtained through or by way of the mouth

peroral administration of a drug

peroral infection

perorally

-ə-lē

adverb

Popular in Grammar & Usage

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

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

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

More Commonly Misspelled Words

Words You Always Have to Look Up

Popular in Wordplay

Top 10 Sophisticated Insults

Flower Etymologies For Your Spring Garden

More Words with Remarkable Origins

Terroir, Oenophile, & Magnum: Ten Words About Wine

8 Words for Lesser-Known Musical Instruments

Popular Features

peroral

adjective

Word History

Browse Nearby Words

Cite this Entry

Medical Definition

More from Merriam-Webster

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

garble

Popular in Grammar & Usage