[f. STEREO- + -GRAM.]

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  1.  A diagram representing a solid object on a plane; esp. a drawing in which the inequalities or curvature of a surface is indicated by contour lines or shading.

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1868.  J. C. Maxwell, Sci. Papers (1890), II. 101. The Construction of Stereograms of Surfaces.

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1877.  Catal. Spec. Collect. Sci. Apparatus S. Kens. Mus. (ed. 3), 40. Stereograms of the Lines of Curvature of Surfaces.

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  2.  A stereoscopic picture: = next 1. Also fig.

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1866.  J. Shanks, Elgin & Cathedr., 103. Shakespeare’s plays stand out by themselves, from all others, beyond all comparison, a stupendous intellectual stereogram.

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1872.  Proctor, Ess. Astron., iv. 60. He had exhibited … some beautiful stereograms of this globe [sc. Mars].

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