Ad hoc

Ad hoc is a Latin phrase meaning literally "to this". In English, it generally signifies a solution designed for a specific problem or task, non-generalizable, and not intended to be able to be adapted to other purposes (compare with a priori).

This article is about the Latin phrase. For other uses, see Ad hoc (disambiguation).

Common examples are ad hoc committees, and commissions created at the national or international level for a specific task. In other fields, the term could refer, for example, to a military unit created under special circumstances, a tailor-made suit, a handcrafted network protocol (e.g., ad hoc network), a temporary banding together of geographically-linked franchise locations (of a given national brand) to issue advertising coupons, or a purpose-specific equation.

Ad hoc can also be an adjective describing the temporary, provisional, or improvised methods to deal with a particular problem, the tendency of which has given rise to the noun adhocism.[1]

Styling

Style guides disagree on whether Latin phrases like ad hoc should be italicized. The trend is to not use italics.[2] For example, The Chicago Manual of Style recommends that familiar Latin phrases that are listed in the Webster's Dictionary, including "ad hoc", not be italicized.[3][4]

Hypothesis
Main article: Ad hoc hypothesis

In science and philosophy, ad hoc means the addition of extraneous hypotheses to a theory to save it from being falsified. Ad hoc hypotheses compensate for anomalies not anticipated by the theory in its unmodified form.

Scientists are often skeptical of scientific theories that rely on frequent, unsupported adjustments to sustain them. Ad hoc hypotheses are often characteristic of pseudo-scientific subjects such as homeopathy.[5]

In the military
The Ceremonial Guard parading in Ottawa. The CG is an ad hoc unit of the Canadian Forces.

In the military, ad hoc units are created during unpredictable situations, when the cooperation between different units is suddenly needed for fast action, or from remnants of previous units which have been overrun or otherwise whittled down.

Networking
Main article: Wireless ad hoc network

The term “ad hoc networking” typically refers to a system of network elements that combine to form a network requiring little or no planning.

gollark: Happy chicken!
gollark: Anyway, what are you actually *looking* for in potatoBIOS?
gollark: I *tested* BlahOS, and found that it was bad.
gollark: You are the only one to have mentioned the age of BlahOS.
gollark: BlahOS is not bad for its age, merely because it is bad.

See also

References
  1. American Heritage Dictionary of Idioms, 2nd Edition
  2. Yateendra Joshi, "Latin phrases in scientific writing: italics or not", editage Insights, January 14, 2014 full text
  3. "When to italicize foreign words and phrases". Grammarpartyblog.com. 23 February 2012. Retrieved 6 January 2016.
  4. "Italics". The Economist. Retrieved 6 January 2016.
  5. Carroll, Robert T. (23 February 2012), "Ad hoc hypothesis", The Skeptic's Dictionary, John Wiley & Sons, retrieved 27 May 2013

Further reading
  • Howard, R. (2002), Smart Mobs: the Next Social Revolution, Perseus
  • The dictionary definition of ad hoc at Wiktionary
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