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obscuration definition

obscuration. ’ means the ratio of visible light attenuated by air pollutants suspended in the effluent streams to incident visible light, expressed as a percentage;
obscuration means the difference, caused by matter in solution, between the actual strength of spirits and the apparent strength as indicated by the hydrometer;
obscuration means the difference, caused by matter in solution, between the true strength of spirit and that indicated by the hydrometer;

More Definitions of obscuration

obscuration means the difference between the true strength of any spirits or compounds, as ascertained in accordance with

Related to obscuration

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