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filter medical definition
noun
- A porous material through which a liquid or gas is passed in order to separate the fluid from suspended particulate matter.
- A device containing such a substance.
- Any of various electric, electronic, acoustic, or optical devices used to reject signals, vibrations, or radiations of certain frequencies while passing others.
- A translucent screen, used in both diagnostic and therapeutic radiology, that permits the passage of rays having desirable levels of energy.
- A device used in spectrophotometric analysis to isolate a segment of the spectrum.
- To pass a liquid or gas through a filter.
- To remove by passing through a filter.
- To pass through or as if through a filter.
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