Word parts transform + -er Pronunciation (US) IPA (key): /trænsˈfɔrmɚ/ (UK) IPA (key): /trænsˈfɔːmə/ or /trɑːnsˈfɔːmə/ Audio (US)(file) Hyphenation: trans‧form‧er Noun Singular transformer Plural transformers (countable) A transformer is a changer of voltage. This section needs someone to add example sentences to it.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads