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filter
has definitions from the fields of physics,chemistry
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[ verb ] (chemistry) remove by passing through a filter
Synonyms Examples "filter out the impurities" Used in print (Booth Hemingway and Stuart H. Brown,...)Unless you want_to make your wife a pool widow and to spend a great many_of your leisure hours nursing your pool 's pristine purity , its care and feeding - from pH content to filtering and vacuuming - is best left to a weekly or bi-monthly professional service . Once on the water , these little visitors seldom leave , and this adds to your filtering and vacuuming problems as_well as providing a slapping good time for all those present . Related terms |
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[ noun ] device that removes something from whatever passes through it
Used in print (A. N. Nagaraj and L. M. Black, "Localization of...)The light_beam from the lamp was filtered through a half standard thickness Corning 1840 filter . In the eyepiece a Wratten 2 B filter was used to filter off residual ultra-violet_light . (Ross E. McKinney and Howard Edde, "Aerated...)Removal of the suspended solids by a membrane filter yielded an average effluent containing only 20 mg / l BOD . |
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[ verb ] be diffused thoroughly
Examples "Sunlight percolated the entire house" Related terms |
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[ verb ] pass through
Examples "Water permeates sand easily" Used in print (Glayds H. Barr, The Master of Geneva....)A carriage crunched by , its dim lights filtering through the gloom . Related terms |
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[ noun ] (physics) n electrical device that alters the frequency spectrum of signals passing through it
Used in print (Walter H. Buchsbaum, "Advances in Medical Electronics"...)Three different wavelengths of ultraviolet_radiation are selected by the variable filters placed in_front_of the three mercury xenon lights which serve as the ultraviolet sources . Related terms |
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