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 |
cloud chamber Wilson cloud chamber | apparatus that detects the path of high-energy particles passing through a supersaturated vapor, each particle ionizes molecules along its path and small droplets condense on them to produce a visible track |
layer bed | single thickness of usually some homogeneous substance, slices of hard-boiled egg on a bed of spinach |
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 |
war cloud | an ominous sign that war threatens |
layer cake | cake having layers held together by a sweet filling and usually covered with frosting |
swarm cloud | a group of many things in the air or on the ground, a swarm of insects obscured the light, clouds of blossoms, it discharged a cloud of spores |
Oort cloud | (astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto, perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun |
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 |
Saint Cloud St. Cloud | a town in central Minnesota on the Mississippi River, granite quarries |
altocumulus altocumulus cloud | a cumulus cloud at an intermediate altitude of or miles |
altostratus altostratus cloud | a stratus cloud at an intermediate altitude of or miles |
cirrocumulus cirrocumulus cloud | a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples |
cirrostratus cirrostratus cloud | a thin uniform layer of hazy cloud at high altitude |
cirrus cirrus cloud | a wispy white cloud (usually of fine ice crystals) at a high altitude ( to miles) |
cloud | a visible mass of water or ice particles suspended at a considerable altitude |
cloud bank | a layer of clouds seen from a distance |
cumulonimbus cumulonimbus cloud thundercloud | a dark cloud of great vertical extent charged with electricity, associated with thunderstorms |
cumulus cumulus cloud | a globular cloud |
Large Magellanic Cloud | the larger of the two Magellanic Clouds visible from the southern hemisphere |
Magellanic Cloud | either of two small galaxies orbiting the Milky Way, visible near the south celestial pole |
nacreous cloud mother-of-pearl cloud | a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon |
nimbus nimbus cloud rain cloud | a dark grey cloud bearing rain |
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 |
Small Magellanic Cloud | the smaller of the two Magellanic Clouds visible from the southern hemisphere |
storm cloud | a heavy dark cloud presaging rain or a storm |
stratus stratus cloud | a large dark low cloud |
seeder cloud seeder | a person who seeds clouds |
Red Cloud | leader of the Oglala who resisted the development of a trail through Wyoming and Montana by the United States government (-) |
boundary layer | the layer of slower flow of a fluid past a surface |
cloud | any collection of particles (e.g., smoke or dust) or gases that is visible |
dust cloud | a cloud of dust suspended in the air |
mushroom mushroom cloud mushroom-shaped cloud | a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb) |
cloud grass Agrostis nebulosa | Spanish grass with light feathery panicles grown for dried bouquets |
cloud | out of touch with reality, his head was in the clouds |
cloud | suspicion affecting your reputation, after that mistake he was under a cloud |
bliss blissfulness cloud nine seventh heaven walking on air | a state of extreme happiness |
cloudiness cloud cover overcast | the state of the sky when it is covered by clouds |
cloud | a cause of worry or gloom or trouble, the only cloud on the horizon was the possibility of dissent by the French |
cloud over | become overcast, the sky clouded over |