Κκ ⟵ {\displaystyle \longleftarrow } 11 ⟶ {\displaystyle \longrightarrow } Μμ Pronunciation IPA (key): /ˈlæm.də/ Audio (US)(file) Noun Singular lambda Plural lambdas Eleventh letter of Greek. Λλ. The Simple English Wikipedia has an article on: Lambda Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads