SINCE 1828
dictionary
thesaurus

allo-

combining form
Save Word
variants: or before vowels all-

Definition of allo-

1 : other : different : atypical allogamous allotrope
2 : isomeric form or variety of (a specified chemical compound) allopurinol
3 : being one of a group whose members together constitute a structural unit especially of a language allophone

History and Etymology for allo-

borrowed from Greek, combining form from állos "other, another" — more at else entry 1

Learn More About allo-

Dictionary Entries Near allo-

all-nighter

allo-

alloantibody

See More Nearby Entries 

Statistics for allo-

Cite this Entry

“Allo-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allo-. Accessed 17 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

nonpareil

Listen to the pronunciation of nonpareil

See Definitions and Examples »

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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