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ACTtest-prep Science
| Term | Definition |
|---|---|
| chromatography | the collective term for a set of laboratory techniques for the separation of mixtures |
| equilibrium | a state in which opposing forces or influences are balanced |
| ethyl acetate | a colorless, volatile liquid with a fruity smell, used as a plastics solvent and in flavorings and perfumes |
| hexane | a colorless liquid hydrocarbon of the alkane series |
| meiosis | a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores |
| mesopause | the boundary in the earth's atmosphere between the mesosphere and the thermosphere, at which the temperature stops decreasing with increasing height and begins to increase |
| Mili-bar | one thousandth of a bar, the cgs unit of atmospheric pressure equivalent to 100 pascals |
| migratory | denoting an animal that migrates |
| 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 |
| montane | of or inhabiting mountainous country |
| permeable | (of a material or membrane) allowing liquids or gases to pass through it |
| polystyrene | a synthetic resin that is a polymer of styrene, used chiefly as lightweight rigid foams and films |
| rallies | a quick or marked recovery after a reverse or a period of weakness |
| Revitalize | imbue (something) with new life and vitality |
| aperture | an opening, hole, or gap |
| nitrite | a salt or ester of nitrous acid, containing the anion NO2− or the group —NO2 |
| rift | a crack, split, or break in something |
| plunger | a device consisting of a rubber cup on a long handle, used to clear blocked pipes by means of water pressure |
| sediment | matter that settles to the bottom of a liquid; dregs |
| solutes | the minor component in a solution, dissolved in the solvent |
| stratopause | the interface between the stratosphere and the ionosphere |
| synthesis | combination or composition, in particular |
| vapor plume | Flue gases visible because they contain water droplets |
| sparking device | a device, consisting of wire netting or other material, used to stop or deflect sparks thrown from an open fireplace, a smokestack, or the like |
| tropopause | the interface between the troposphere and the stratosphere |
| sprawl | an ungainly or carelessly relaxed position in which one's arms and legs are spread out |
| zoning | divide into or assign to zones, in particular |
| spurred | urge (a horse) forward by digging one's spurs into its sides |
| watt | the SI unit of power, equivalent to one joule per second, corresponding to the power in an electric circuit in which the potential difference is one volt and the current one ampere |
| stagnant | (of a body of water or the atmosphere of a confined space) having no current or flow and often having an unpleasant smell as a consequence |
Created by:
Lexi457
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