photo metrician

[English photometric; ian.] One engaged in the scientific measurement of light. phō-tom-ě-try, s . [PHOTOMETER.] The act or proce of measuring the relative amount or intensity of light emitted by different sources. phō-to-mi-cro-graph, s . [Pref. photo- , and Eng. micrograph (q. v.).] A photograph of an object as seen under the microscope. phō-to-mi-crog-ra-phy, s . [Pref. photo- , and Eng. micrography (q. v.).] The art of producing photographs of objects under the microscope. phô-tô-něph-o-graph, s . [Pref. photo-, Gr. nephos a cloud, grapho to write.] A device for taking photographs of a cloud from two different points of view simultaneously. phō-to-pho-bi-a, subst. [Pref. photo-, and Gr phobos=fear.] Pathol.: Dread or intolerance of light.