(aeronautics) Any aerodynamic effects occurring due to a vehicle's body or appendages moving in close proximity to the ground.

(sciences) A side-effect, especially a negative one in pharmacology.

(astronomy) An optical effect, occurring during the transit of an object in front of the Sun, by which light is bent around the object, causing it to look stretched out.

(computing, software) The replacement, by a spell checker, of words that it interprets as being misspelled, by words which are still incorrect in context.

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

Synonym of white coat hypertension

(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.