Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia.


As a verb, to do; to produce; to make; to bring to pass; to execute; enforce; accomplish. As a noun, that which is produced by an agent or cause; result; outcome; consequence. The result that an instrument between parties will produce in their relative rights, or which a statute will produce upon the existing law, as discovered from the language used, the forms employed, or other materials for construing it. The operation of a law, of an agreement, or an act. The phrases take effect, be in force, and go into operation, are used interchangeably.

In the plural, a person's effects are the real and Personal Property of someone who has died or who makes a will.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.

EFFECT. The operation of a law, of an agreement, or an act, is called its effect.
     2. By the laws of the United States, a patent cannot be granted for an effect only, but it may be for a new mode or application of machinery to produce effects. 1 Gallis. 478; see 4 Mason, 1; Pet. C. C. R. 394; 2 N. H. R. 61.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Other toxic agents have unexpectedly beneficial effects. X-rays and gamma radiation are well-recognized carcinogens.
An additional 6 studies reported statistically significant improvement in microbial outcome but without reliable data about the effect of the intervention on prescribing (18,19,23,24,28,29).
However, because the tests did not include multiple repetitions, they may not have addressed the cumulative effect of using the "test water" in the same batch of sand over many temper-dry-temper cycles or the effects over time in an actual green sand system versus a laboratory setting.
As a result of our requiring that indicators of effect be included in empirical research submitted to the journal, we are offering the following recommendations:
The 34 studies produced a total of 90 effect sizes because many studies included more than one effect size.
Kacker, Combining information from interlaboratory evaluations using a random effects model, Metrologia 41, 132-136 (2004).
A number of factors indicate that the increase in market concentration in the Warren banking market, as measured by the HHI, does not reflect a significantly adverse effect on competition.
Concerns have been raised about soys effect on brain function based on one study that found an association between eating tofu regularly and dementia in Japanese-American men.
(98-100) Several authors have noted its protective effect against glutamate neuroexcitotoxicity and hypoxia.
Further, the sun's damaging effect on appearance was described in order to make the consequence of risky behavior more relevant to college students (McClendon & Prentice-Dunn, 2001).
Instead of tying the new effects to standard colors and resins, these effects are customized for each application.