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formation

[fawr-mey-shuh n] /fɔrˈmeɪ ʃən/
noun
1.
the act or process of forming or the state of being formed:
the formation of ice.
2.
the manner in which a thing is formed; disposition of parts; formal structure or arrangement.
3.
Military.
  1. a particular disposition of troops, as in columns, squares, etc.
  2. any required assembling of the soldiers of a unit.
4.
Geology.
  1. a body of rocks classed as a stratigraphic unit for geologic mapping.
    Compare member (def 8).
  2. the process of depositing rock or mineral of a particular composition or origin.
Origin
late Middle English
1375-1425
1375-1425; late Middle English formacioun < Latin fōrmātiōn- (stem of fōrmātiō), equivalent to fōrmāt(us) (see form, -ate1) + -iōn- -ion
Related forms
formational, adjective
misformation, noun
nonformation, noun
self-formation, noun
subformation, noun
superformation, noun
Synonyms
1. establishment, founding, organization.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for formations
  • The ame formations top of the hour and bottom of the hour are not commonly used in bre.
  • The fast moving host, like all military formations, needed supplies.
  • It is known for its multicolored rock formations and scenic canyons.
  • Rock climbing ascending rock formations, often using climbing shoes and a chalk bag.
  • The principal geologic structures present are granitic and metamorphic rock formations.
British Dictionary definitions for formations

formation

/fɔːˈmeɪʃən/
noun
1.
the act of giving or taking form, shape, or existence
2.
something that is formed
3.
the manner in which something is formed or arranged
4.
  1. a formal arrangement of a number of persons or things acting as a unit, such as a troop of soldiers, aircraft in flight, or a football team
  2. (as modifier): formation dancing
5.
(geology)
  1. the fundamental lithostratigraphic unit
  2. a series of rocks with certain characteristics in common
6.
(ecology) a community of plants, such as a tropical rainforest, extending over a very large area
Derived Forms
formational, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for formations

formation

n.

late 14c., from Old French formacion (12c.) or directly from Latin formationem (nominative formatio) "a forming, shaping," noun of action or condition from past participle stem of formare "to form" (see form (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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formations in Medicine

formation for·ma·tion (fôr-mā'shən)
n.

  1. The act or process of forming something or of taking form.

  2. Something formed.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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formations in Science
formation
  (fôr-mā'shən)   
A long, mappable body of rock that is recognizable by its physical characteristics and by its location within the rock record.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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15
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