Definitionadj. of or relating to or involving light or optics
Last update: July 2, 2015
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Micro scopes and telescopes are optical insttruments. [Please select]
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The investigation of this question upon the elastic solid theory will depend upon how we suppose the solid to vary from one optical medium to another. [Please select]
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An optical illusion. [Please select]
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Covert, "Meteorological Instruments and Apparatus Employed by the United States Weather Bureau," _Journal of the Optical Society of America_, 1925, vol. [Please select]
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Then she knew that it had been an optical delusion from the first. [Please select]
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[Illustration] Treatises on meteorology have not, up to the present day, classified with sufficient regularity the divers optical phenomena of the air. [Please select]
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These different optical effects are classed together under the name of _anthelia_ (from Greek, opposite to, and Greek, the sun). [Please select]
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The optical phenomena which occur on the same side as, or around the sun, such as halos, parhelia, etc. [Please select]
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This is an optical effect due to a peculiar condition of the desert atmosphere. [Please select]
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From Holland came the first optical instruments, the best mathematicians, the most intelligent philosophers, as well as the boldest and most original thinkers. [Please select]
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ILLUSTRATIONS OF NATURAL PHENOMENA and Diagrams of Optical, Mechanical, and other principles as required by the subject matter of the papers published in the work. [Please select]
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