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instruction

[in-struhk-shuh n]
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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 of instruction

1375–1425; late Middle English instruccio(u)n < Latin instructiōn- (stem of instructiō). See instruct, -ion
Related formsin·struc·tion·al, adjectivemis·in·struc·tion, nounnon·in·struc·tion·al, adjectivenon·in·struc·tion·al·ly, adverbo·ver·in·struc·tion, nounpre·in·struc·tion, nounre·in·struc·tion, nounself-in·struc·tion, noun

Synonyms

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1. tutoring, coaching; training, drill, exercise; indoctrination; schooling. 5. command, mandate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for instructional

instruction

noun
  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
Derived Formsinstructional, 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

Word Origin and History for instructional

adj.

1801, from instruction + -al (1).

instruction

n.

c.1400, instruccioun, "action or process of teaching," from Old French instruccion (14c.), from Latin instructionem (nominative instructio) "building, arrangement, teaching," from past participle stem of instruere "arrange, inform, teach," from in- "on" (see in- (2)) + struere "to pile, build" (see structure (n.)). Meaning "an authoritative direction telling someone what to do; a document giving such directions," is early 15c. Related: Instructions.

Online Etymology Dictionary, © 2010 Douglas Harper

instructional in Science

instruction

[ĭn-strŭkshən]
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.