Other spellings (UK) tenderiser Word parts tenderize + -er Pronunciation enPR: tĕn'də-rīʹzər, IPA (key): /ˌtɛndəˈraɪzə(r)/ Noun Singular tenderizer Plural tenderizers (countable) (biochemistry) A tenderizer is any substance that is added to meat to tenderize it. (countable) A tenderizer is a mallet that is used to beat meat before cooking. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads