Word parts perspire + -ation Pronunciation (UK) IPA (key): /ˌpɜːspəˈreɪʃən/ (US) IPA (key): /ˌpɝspəˈreɪʃən/ Audio (CA)(file) Hyphenation: per‧spi‧ra‧tion Noun Singular perspiration Plural none Perspiration is the action or process of perspiringWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads