1 ⟶ {\displaystyle \longrightarrow } Ββ Pronunciation IPA (key): /ˈælfə/ or /ˈæɫ.fə/ Audio (US)(file) Noun Singular alpha Plural alphas First letter of Greek. Αα. The Simple English Wikipedia has an article on: Alpha Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads