[{"Bold_text": "noun", "List Items": ["any substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids.", "any device, as a tank or tube, containing such a substance for filtering.", "any of various analogous devices, as for removing dust from air or impurities from tobacco smoke, or for eliminating certain kinds of light rays.", "something that works like a filter, as by removing, blocking, or separating out certain elements:Kids often talk without a filter. Events can be distorted through the filter of memory.", "Informal.a filter-tipped cigarette or cigar.", "Photography.a lens screen of dyed gelatin or glass placed on a camera for controlling the rendering of color or for diminishing the intensity of light.Digital Technology.a data manipulation function that changes the color or sharpness of a digital image or overlays an additive or special effect element:Use a sepia filter to give your photos that old-timey look.", "a lens screen of dyed gelatin or glass placed on a camera for controlling the rendering of color or for diminishing the intensity of light.", "Digital Technology.a data manipulation function that changes the color or sharpness of a digital image or overlays an additive or special effect element:Use a sepia filter to give your photos that old-timey look.", "Electronics, Physics.a circuit or device that passes certain frequencies and blocks others.", "Mathematics.a collection of subsets of a topological space, having the properties that the intersection of two subsets in the collection is a subset in the collection and that any set containing a subset in the collection is in the collection.", "Computers.an algorithm that categorizes, sorts, prioritizes, or blocks data through rule-based protocols:an email filter that deletes messages with subject words found commonly in spam."]}, {"Bold_text": "verb (used with object)", "List Items": ["to remove by the action of a filter.", "Computers.to subject (data) to an algorithmic filter:The search engine will filter your query results based on your location and user profile.", "to act as a filter for; to slow or partially obstruct the passage of:The thick leaves filtered the sunlight.", "to pass through or as through a filter."]}, {"Bold_text": "verb (used without object)", "List Items": ["to pass or slip through slowly, as through an obstruction or a filter:Enemy agents managed to filter into the embattled country.Synonyms: leak , trickle , seep , sift , penetrate"]}]