A phenomenon in which attempting to suppress an item of information attracts even more unwanted attention, thus furthering its dissemination.

(physics) The polarization of the spin of electrons produced when alkali atoms absorb circularly polarized light; any of several similar quantum optical effects

(psychology) The phenomenon that someone is less likely to help another if other potential helpers are present than otherwise.

plural of after-effect

An effect; especially, one that is experienced only after a delay, or only in the long term.

The secondary emission of an electron following the ionisation of a core electron of an atom.

(law) A discouraging effect, especially on certain forms of officially legal speech. / Synonym of windchill.

(economics) The higher growth rate of businesses with higher market share in those segments of economy in which the value of a product or service depends on the compounding effects of the number of existing users of the product or a service, as is the case with telephone networks.

plural of side effect

plural of special effect