two separate films, each having an emulsion layer sensitive to a different color, held together with their emulsion layers facing for simultaneous exposure through the back of one.
pertaining to or having traits or characteristics that stem from both parents. Historical Examples A Critique of the Theory of Evolution Thomas Hunt Morgan
of or relating to both parietal bones, especially in their being determinants in measurements of the breadth of the skull. adjective (anatomy) relating to or connected to both parietal bones
Zoology. bringing forth offspring in pairs. Botany. bearing two branches or axes. Historical Examples Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 Various Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 Various adjective (zoology) producing offspring in pairs (botany) (esp of an inflorescence) producing two branches from one stem adj.