photolithographyPronunciation: /ˌfəʊtə(ʊ)lɪˈθɒgrəfi/ (also photolitho /-ˈlʌɪθəʊ/)Definition of photolithography noun [mass noun] lithography using plates made photographically. Derivatives photolithographicPronunciation: /-θəˈgrafɪk/ adjective photolithographicallyPronunciation: /-θəˈgrafɪk(ə)li/ adverb photolithography in other Oxford dictionaries Definition of photolithography in the US English dictionary