instruction

[in-struhk-shuhn]
noun
1.
the act or practice of instructing or teaching; education.
2.
knowledge or information imparted.
3.
an item of such knowledge or information.
4.
Usually, instructions. orders or directions: The instructions are on the back of the box.
5.
the act of furnishing with authoritative directions.
6.
Computers. a command given to a computer to carry out a particular operation.

Origin:
1375–1425; late Middle English instruccio(u)n < Latin instructiōn- (stem of instructiō). See instruct, -ion

instructional, adjective
misinstruction, noun
noninstructional, adjective
noninstructionally, adverb
overinstruction, noun
preinstruction, noun
reinstruction, noun
self-instruction, noun


1. tutoring, coaching; training, drill, exercise; indoctrination; schooling. 5. command, mandate.
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World English Dictionary
instruction (ɪnˈstrʌkʃən)
 
n
1.  a direction; order
2.  the process or act of imparting knowledge; teaching; education
3.  computing a part of a program consisting of a coded command to the computer to perform a specified function
 
in'structional
 
adj

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

instruction
1412, from O.Fr. instruction, from L. instructionem (nom. instructio) "building, arrangement, teaching," from instructus, pp. of instruere "arrange, inform, teach," from in- "on" + struere "to pile, build" (see structure).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
instruction   (ĭn-strŭk'shən)  Pronunciation Key 
A sequence of bits that tells a computer's central processing unit to perform a particular operation. An instruction can also contain data to be used in the operation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Integrated multimedia approaches to teaching literature using film and
  instructional technology.
People who faithfully attended instructional sessions definitely had better
  weight loss.
Some friends who were dance teachers sold instructional videos at workshops
  paid for one of the mobile card machines.
Our first post in this series took an in-depth look at the top-ranked
  characteristic, exceptional instructional ability.
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