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ACTtest-prep Science

TermDefinition
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