air filter air cleaner | a filter that removes dust from the air that passes through it |
coffee filter | filter (usually of paper) that passes the coffee and retains the coffee grounds |
filter | device that removes something from whatever passes through it |
filter | an electrical device that alters the frequency spectrum of signals passing through it |
filter bed | filter consisting of a layer of sand or gravel for filtering water |
filter tip | an air filter on the end of a cigarette, contains material that filters the smoke |
filter-tipped cigarette | a cigarette with a filter tip |
fuel filter | a filter in the fuel line that screens out dirt and rust particles from the fuel |
high-pass filter | a filter that passes frequencies above a certain value and attenuates frequencies below that value |
light filter diffusing screen | a transparent filter that reduces the light (or some wavelengths of the light) passing through it |
low-pass filter | a filter that passes frequencies below a certain value and attenuates frequencies above that value |
oil filter | a filter that removes impurities from the oil used to lubricate an internalombustion engine |
water filter | a filter to remove impurities from the water supply |
daze fog haze | confusion characterized by lack of clarity |
haze | atmospheric moisture or dust or smoke that causes reduced visibility |
filter paper | a porous unsized paper used for filtering |
percolate sink in permeate filter | pass through, Water permeates sand easily |
filter filtrate strain separate out filter out | remove by passing through a filter, filter out the impurities |
trickle dribble filter | run or flow slowly, as in drops or in an unsteady stream, water trickled onto the lawn from the broken hose, reports began to dribble in |
obscure befog becloud obnubilate haze over fog cloud mist | make less visible or unclear, The stars are obscured by the clouds, the big elm tree obscures our view of the valley |
haze | harass by imposing humiliating or painful tasks, as in military institutions |
haze | become hazy, dull, or cloudy |
filter-tipped | of a cigar or cigarette, having a tip designed to filter the smoke, filter-tipped cigarettes |