instructional definition | Dictionary.com

in⋅struc⋅tion

[in-struhk-shuh

–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 ME instruccio(u)n < L instructiōn- (s. of instructiō). See instruct, -ion

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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in·struc·tion (ĭn-strŭk'shən) Pronunciation Key
n.

The act, practice, or profession of instructing.
1. Imparted knowledge.
2. An imparted or acquired item of knowledge; a lesson.
3. An authoritative direction to be obeyed; an order. Often used in the plural: had instructions to be home by midnight.
4. instructions Detailed directions on procedure: read the instructions for assembly.
Computer Science A sequence of bits that tells a central processing unit to perform a particular operation and can contain data to be used in the operation.
1. An authoritative direction to be obeyed; an order. Often used in the plural: had instructions to be home by midnight.
2. instructions Detailed directions on procedure: read the instructions for assembly.

in·struc'tion·al adj.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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