sub⋅sti⋅tute
[suhb-sti-toot, -tyoot]
noun, verb, -tut⋅ed, -tut⋅ing, adjective | 1. | a person or thing acting or serving in place of another. |
| 2. | (formerly) a person who, for payment, served in an army or navy in the place of a conscript. |
| 3. | Grammar. a word that functions as a replacement for any member of a class of words or constructions, as do in He doesn't know but I do. |
| 4. | to put (a person or thing) in the place of another. |
| 5. | to take the place of; replace. |
| 6. | Chemistry. to replace (one or more elements or groups in a compound) by other elements or groups. |
| 7. | to act as a substitute. |
| 8. | of or pertaining to a substitute or substitutes. |
| 9. | composed of substitutes. |
1350–1400; ME < L substitūtus (ptp. of substituere to put in place of), equiv. to sub- sub- + -stitū-, comb. form of statū-, ptp. s. of statuere (see substituent ) + -tus ptp. suffix

Related forms:
1. alternative, replacement, equivalent.
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Substitute
Sub"stit"ute\, n. [L. substitutus, p. p. of substituere to put under, put in the place of; sub under + statuere to put, place: cf. F. substitut. See Statute.] One who, or that which, is substituted or put in the place of another; one who acts for another; that which stands in lieu of something else; specifically (Mil.), a person who enlists for military service in the place of a conscript or drafted man. Hast thou not made me here thy substitute? --Milton. Ladies [in Shakespeare's age] . . . wore masks as the sole substitute known to our ancestors for the modern parasol. --De Quincey.Substitute
Sub"stit"ute\, v. t. [imp. & p. p. Substituted; p. pr. & vb. n. Substituting.] [See Substitute, n.] To put in the place of another person or thing; to exchange. Some few verses are inserted or substituted in the room of others. --Congreve.Cite This Source
Substitute
A product or service that partly satisfies the need of a consumer that another product or service fulfills.
Investopedia Commentary
For a product to be a substitute of another good, it must share a particular relationship with that good. When a good's price increases, the demand for its substitute will increase because consumers will go looking for a cheaper alternative. Conversely, when a good's price decreases, the demand for its substitute will decrease. For example, margarine is a good substitute for butter because a consumer can meet similar needs by using margarine. So when the price of butter rises, the demand for margarine will likely increase.
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See also: Demand, Economics, Elasticity, Scarcity, Supply, Supply
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Copyright © 2003. Published by Houghton Mifflin.
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Main Entry: 1sub·sti·tute
Pronunciation: 's&b-st&-"t(y)üt
Function: noun
: a person or thing that takes the place orfunction of another
Main Entry: 2substitute
Function: transitive verb
Inflected Forms: -tut·ed; -tut·ing
: to put or use in the place of another:as a : to introduce (an atom or group) as a substituent b : to alter (as a compound) by introduction of a substituent
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Substitute character
(SUB) ASCII character 26.
[Why?]
(1996-06-28)
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