lenticule

[ len-ti-kyool ]
/ ˈlɛn tɪˌkyul /

noun Photography.

one of many tiny cylindrical or spherical lens segments embossed on the surface of a film used in stereoscopic and color photography.

Origin of lenticule

1880–85; < Latin lenticula; see lenticle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019