lying near, close, or contiguous; adjoining; neighboring: a motel adjacent to the highway.
just before, after, or facing: a map on an adjacent page.

1400–50; late Middle English < Latin adjacent- (stem of adjacēns, present participle of adjacēre to adjoin), equivalent to ad- ad- + jac- lie + -ent- -ent

adjacently, adverb
nonadjacent, adjective
nonadjacently, adverb
subadjacent, adjective
subadjacently, adverb
superadjacent, adjective
superadjacently, adverb
unadjacent, adjective
unadjacently, adverb

adjacent, adjoining (see synonym study at adjoining).

1. abutting, juxtaposed, touching. See adjoining.

distant. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
adjacent (əˈdʒeɪsənt)
1.  being near or close, esp having a common boundary; adjoining; contiguous
2.  maths
 a.  (of a pair of vertices in a graph) joined by a common edge
 b.  (of a pair of edges in a graph) meeting at a common vertex
3.  geometry the side lying between a specified angle and a right angle in a right-angled triangle
[C15: from Latin adjacēre to lie next to, from ad- near + jacēre to lie]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

early 15c., from L. adjacentem (nom. adjacens) "lying at," prp. of adjacere "lie near," from ad- "to" + jacere "to lie, rest," lit. "to throw" (see jet (v.)), with notion of "to cast (oneself) down."
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

adjacent definition


The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Rock bass and several kinds of sunfishes are all known to nest successfully
  adjacent to heavily used boating channels.
Your cost-per-click advertisement will appear adjacent to relevant content.
In cellular networks, adjacent cells cannot use the same radio frequencies .
We live in two adjacent suburbs, close enough to cover each other for child
  minding needs but we do not wish to be closer.
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