lambda Syllabification: (lamb·da)Pronunciation: /ˈlamdə/Definition of lambda noun the eleventh letter of the Greek alphabet (Λ, λ), transliterated as ‘l.’. (Lambda) [followed by Latin genitive] Astronomy the eleventh star in a constellation:Lambda Tauri Biology a type of bacteriophage virus used in genetic research: [as modifier]:lambda phage Anatomy the point at the back of the skull where the parietal bones and the occipital bone meet. [as modifier] Biochemistry denoting one of the two types of light polypeptide chain present in all immunoglobulin molecules (the other being kappa). symbol (λ) wavelength. (λ) Astronomy celestial longitude. lambda in other Oxford dictionaries Definition of lambda in the British & World English dictionary
