say it: AL-uh-fohn
allophone is a noun meaning "(linguistics) any of various acoustically different forms of the same phoneme". It carries one recorded sense.
(linguistics) any of various acoustically different forms of the same phoneme
linguistics
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for allophone come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.