Reconnoissance

reconnaissance

[ri-kon-uh-suhns, -zuhns]
noun
1.
the act of reconnoitering.
2.
Military. a search made for useful military information in the field, especially by examining the ground.
3.
Surveying, Civil Engineering. a general examination or survey of a region, usually followed by a detailed survey.
4.
Geology. an examination or survey of the general geological characteristics of a region.
Also, reconnoissance.


Origin:
1800–10; < French; Middle French reconoissance recognizance

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World English Dictionary
reconnaissance or reconnoissance (rɪˈkɒnɪsəns)
 
n
1.  the act of reconnoitring
2.  the process of obtaining information about the position, activities, resources, etc, of an enemy or potential enemy
3.  a preliminary inspection of an area of land before an engineering survey is made
 
[C18: from French, from Old French reconoistre to explore, recognize]
 
reconnoissance or reconnoissance
 
n
 
[C18: from French, from Old French reconoistre to explore, recognize]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

reconnaissance
1810, from Fr. reconnaissance "act of surveying," lit. "recognition," from O.Fr. reconoissance (see recognizance). U.S. military abbreviation recon is attested from 1918.
Online Etymology Dictionary, © 2010 Douglas Harper
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