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31 Cards in this Set
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Colloid |
a homogeneous, noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle and cannot be separated out by ordinary filtering or centrifuging like those in a suspension. |
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Foliation |
the process of being split into thin sheets or laminae |
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Galvanism |
electricity produced by chemical action. |
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Drag force |
forces acting opposite to the relative motion of any object moving with respect to a surrounding fluid. |
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Viscosity |
the state of being thick, sticky, and semifluid in consistency, due to internal friction |
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photophores |
a light-producing organ in certain fishes and other animals |
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Nanometer |
one billionth of a meter |
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Molecular weight |
the ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12 |
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Meteorite |
a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground. More than 90 percent of meteorites are of rock, while the remainder consist wholly or partly of iron and nickel |
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Mesosphere |
the region of the earth's atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles (50 and 80 km) in altitude |
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Manometer |
an instrument for measuring the pressure acting on a column of fluid, especially one with a U-shaped tube of liquid in which a difference in the pressures acting in the two arms of the tube causes the liquid to reach different heights in the two arms |
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Macrophages |
a large phagocytic cell found in stationary form in the tissues or as a mobile white blood cell, especially at sites of infection |
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Gastric emptying |
a natural process consisting of ejecting the stomach's contents. When the body is functioning normally, this occurs a few hours after eating |
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Interstitial |
of, forming, or occupying interstices |
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Intracellular |
located or occurring within a cell or cells |
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Lithosphere |
the rigid outer part of the earth, consisting of the crust and upper mantle |
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vertical migration |
a pattern of movement used by some organisms, such as copepods, living in the ocean and in lakes. |
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synthetic polymer |
a human made substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together, |
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Emulsion |
a fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible |
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Capillary |
any of the fine branching blood vessels that form a network between the arterioles and venules or a tube that has an internal diameter of hairlike thinness |
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Caustic |
able to burn or corrode organic tissue by chemical action |
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Biosynthesis |
the production of complex molecules within living organisms or cells |
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Aerobic respiration |
the process of producing cellular energy involving oxygen |
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Lipid |
any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids |
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Aerosol |
a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas |
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Anatomical |
relating to bodily structure |
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Antigen |
a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies |
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Antitoxin |
an antibody that counteracts a toxin |
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Asthenosphere |
the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur |
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Cerebral edema |
a swelling in the brain caused by the presence of excessive fluid |
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Basalt |
a dark, fine-grained volcanic rock that sometimes displays a columnar structure. It is typically composed largely of plagioclase with pyroxene and olivine |
