hol ‧ o ‧ gram /ˈhɒləɡræm $ ˈhoʊl-,ˈhɑːl-/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Language: Greek ; Origin: holos 'whole' + English -gram ]
a kind of photograph made with a ↑ laser that looks as if it is not flat when you look at it from an angle
—holographic /ˌhɒləˈɡræfɪk◂ $ ˌhoʊl-, ˌhɑːl-/ adjective
—holography /hɒˈlɒɡrəfi $ hoʊ-, hɑː-/ noun [uncountable]