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

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Cite this Entry

“Allo-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/allo-. Accessed 19 Apr. 2021.

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