air filter air cleaner | a filter that removes dust from the air that passes through it |
charcoal fusain | a stick of black carbon material used for drawing |
charcoal | a drawing made with a stick of black carbon material |
charcoal burner | a stove that burns charcoal as fuel |
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 |
charcoal charcoal grey charcoal gray oxford grey oxford gray | a very dark grey color |
charcoal burner | a worker whose job is to make charcoal |
bone black bone char animal black animal charcoal | black substance containing char in the form of carbonized bone, used as a black pigment |
charcoal wood coal | a carbonaceous material obtained by heating wood or other organic matter in the absence of air |
activated carbon activated charcoal | powdered or granular carbon used for purifying by adsorption, given orally (as a slurry) it is an antidote for some kinds of poisons |
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 |
charcoal | draw, trace, or represent with charcoal |
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 |
charcoal charcoal-grey charcoal-gray | of a very dark grey |
filter-tipped | of a cigar or cigarette, having a tip designed to filter the smoke, filter-tipped cigarettes |