iconometer

noun ico·nom·e·ter \ˌīkəˈnämətə(r)\

Definition of iconometer

  1. 1 :  an instrument for determining the distance of an object of known size or the size of an object at known distance by measuring the image of it produced by a lens of known focal length

  2. 2a :  an instrument that determines the proper objective to be used in taking a picture of given size from a given standpoint and that consists of a diopter and an open rectangular frame sliding on a graduated rod b :  a direct viewfinder having a metal frame

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Origin and Etymology of iconometer

International Scientific Vocabulary icon- + -meter


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