Word Origin and History for attenuate Expand v. to make thin, to make less, 1520s, from Latin attenuatus enfeebled, weak, past participle of attenuare to make thin, lessen, diminish, from ad-to (see ad-) + tenuare make thin, from tenuis thin (see tenet).
Dependent Variable Definition: A dependent variable is the variable being tested in a scientific experiment. The dependent variable is 'dependent' on the independent variable. As the experimenter changes the independent variable, the change in the dependent variable is observed and recorded.
an independent variable is the variable that u cannot control, such as time, volume, etc. dependent variable is the variable that depends on another variable. usually something like amount of rainfall or something. control variable is the variable that u can control...such as temperature, amount of heat, etc.