Science / Chemistry / Variable: A quantity that can have many possible values. In designing experiments, variables that affect measurements must be identified and controlled. For example, an experiment that measures reaction rates must control temperature, because temperature is a variable that can change the rate of reaction.
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Variable Noun Synonyms: changeable, protean, changing, inconstant, varying, wavering, mercurial, fickle, capricious, unsteady, unfixed, unstable, uncertain, undependable, unpredictable, fluctuating, vacillating, mutable, chameleonic, chameleon-like
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Business / Taxes / Variable Life Insurance: Variable life insurance policies are cash-value policies that allow you to choose how your premium is invested from among a package of alternatives offered by the insurer. In many variable life polici MORE
Technology / Television (TV) / Zoom Lens (Variable Focal Length): A lens with a variable focal length, allowing the operator to shift immediately and continuously from wide angle to telephoto (or vice versa) without switching lenses. MORE
Technology / Programming / Variable Assignment: Variable assignment is the assignment of a value to a variable. For instance: int val:, val = 5:, // assign to val the value 5 before a value is assigned, the variable is null, which means it has no v MORE
Technology / Programming / Variable Declaration: Variable declaration is where a variable is first given a type and a variable name. For instance: int j:, char name[20]:, in c++, the methods and variables that the class will contain are declared in MORE
Business / Finance / Variable Rated Demand Bond (VRDB): A whole life insurance policy that provides a death benefit dependent on the insured's portfolio market value at the time of death. Typically the company invests premiums in common stocks, so variable MORE
Science / Chemistry / Dependent Variable: A dependent variable changes in response to changes in independent variables. For example, in an experiment where the vapor pressure of a liquid is measured at several different temperatures, temperat MORE