noun phos·phoro·graph \fäˈsfȯrəˌgraf, -rȧf\

Definition of phosphorograph

  1. :  a photographic impression made by laying a phosphorescent body directly upon the photographic film in order to detect phosphorescence too feeble to be observed visually


\¦fäsfərə¦grafik\ adjective


\ˌfäsfəˈrägrəfē\ noun, plural


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Origin and Etymology of phosphorograph

phosphor- + -graph

Seen and Heard

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a rounded knoll or a ridge of ice

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