power (redirected from powers up)

power /pow·er/ (pou´er)

1. capability; potency; the ability to act.

2. a measure of magnification, as of a microscope.

3. the rate at which work is done; symbol P.

4. of a statistical test: the probability of correctly rejecting the null hypothesis when a specified alternative holds true.

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defining power  the ability of a lens to make an object clearly visible.

resolving power  the ability of the eye or of a lens to make small objects that are close together separately visible, thus revealing the structure of an object.

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pow·er (pour)

n.

1. The capacity to perform or act effectively.

2. Strength or force that is exerted or that is capable of being exerted.

3. The amount of work done per unit time.

4. A measure of the magnification of an optical instrument, such as a microscope or telescope.

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power Clinical research The probability of detecting a treatment effect of a given magnitude when a treatment effect of at least that magnitude truly exists Vox populi Energy. See Crypto-nuclear power, Durable power of attorney, Guild power, Intellectual processing power, Mass stopping power, Null hypothesis, Police power, Pyramid power, Scanning power, Social power.