photoelectric
related to the release of electrons from a surface in the process of lighting
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فتوالکتریک
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photometry
the scientific measurement of light in terms of its intensity, color, and other properties
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نورسنجی
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phosphorescence
a light that is released for a long period of time even after its source energy is gone or finished
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شبتابی
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subservience
the quality of obeying other people without any question
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اطاعت بی قید و شرط
[اسم]
biennial
(of a plant) growing during the first year of its life, producing fruits or flowers and die in the second year
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دوساله
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