layer | thin structure composed of a single thickness of cells |
germ layer | (embryology) any of the layers of cells differentiated in embryos following gastrulation |
layer | a hen that lays eggs |
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 |
layer bed | single thickness of usually some homogeneous substance, slices of hard-boiled egg on a bed of spinach |
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 |
stratum corneum corneum horny layer | the outermost layer of the epidermis consisting of dead cells that slough off |
stratum germinativum stratum basale malpighian layer rete Malpighii | the innermost layer of the epidermis |
bulbar conjunctiva conjunctival layer of bulb tunica conjunctiva bulbi | the part of the conjunctiva covering the anterior face of the sclera and the surface epithelium of the cornea |
palpebra conjunctiva conjunctival layer of eyelids tunica conjunctiva palpebrarum | the part of the conjunctiva lining the posterior surface of the eyelids, continuous with the bulbar conjunctiva |
membrane tissue layer | a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants |
level layer stratum | an abstract place usually conceived as having depth, a good actor communicates on several levels, a simile has at least two layers of meaning, the mind functions on many strata simultaneously |
layer cake | cake having layers held together by a sweet filling and usually covered with frosting |
D-layer D region | the lowest region of the ionosphere ( tomiles up) that reflects low-frequency radio waves |
Appleton layer F layer F region | the highest region of the ionosphere (fromto miles up) which contains the highest concentration of free electrons and is most useful for longange radio transmission |
Heaviside layer Kennelly-Heaviside layer E layer E region | a region of the ionosphere (fromtomiles up) that reflects radio waves of medium length |
layer | a relatively thin sheetlike expanse or region lying over or under another |
ozone layer ozonosphere | a layer in the stratosphere (at approximatelymiles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun |
boundary layer | the layer of slower flow of a fluid past a surface |
filter paper | a porous unsized paper used for filtering |
layer | make or form a layer, layer the different colored sands |
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 |
filter-tipped | of a cigar or cigarette, having a tip designed to filter the smoke, filter-tipped cigarettes |