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Related to substitutional: substitutional impurity, Substitutional alloy


 (sŭb′stĭ-to͞o′shən, -tyo͞o′-)
a. The act or process of substituting: the substitution of human workers with robots.
b. An instance of this: made several substitutions to the recipe.
2. One that is substituted; a substitute; a replacement: proposed drug therapy as a substitution for surgery.

sub′sti·tu′tion·al, sub′sti·tu′tion·ar′y adj.
sub′sti·tu′tion·al·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌsʌbstɪˈtjuːʃənəl) or


of or relating to substitution; able to be substituted
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
XPS results indicated the substitutional nitrogen atoms are present in addition to the interstitial nitrogen dopant after Mo doping into the lattice of Ti[O.sub.2].
Yen (billions) (Reference): Forecast for Previous Year ended year ending Difference forecast March 31, March 31, (% change) made on 2006 2007 October 25, 2006 Net sales and 9,907.9 11,100.0 +1,192.0 11,000.0 other operating (+12.0%) revenue Operating income [gain on 868.9 820.0 -48.9 (-5.6%) 820.0 Daiko-Henjo* [730.8] [+89.1 (+12.2%)] excluded] Income before income taxes [gain on 814.6 755.0 -59.6 (-7.3%) 745.0 Daiko-Henjo* [676.6] [+78.3 (+11.6%)] excluded] Equity in 99.6 02.0 +2.3 (+2.4%) 101.0 income of affiliates Net income 597.0 560.0 -37.0 (-6.2%) 555.0 [gain on [514.2] [+45.7 (+8.9%)] Daiko-Henjo* excluded] * the return of the substitutional portion of the Employees' Pension Funds to the Japanese government.
The appointments will be formalized at a general meeting of substitutional members, the equivalent of a general shareholders' meeting of a stock company, due for July 3.
In his original substitutional theory, Russell applies the notion of "incomplete symbol," which he had recently introduced in OD, to expressions for propositional functions and classes: even though these expressions can occur in meaningful sentences, there really are no propositional functions or classes corresponding to them.
He discusses questions such as: Should second-order quantification be construed as substitutional? Should the models considered for evaluating logical truth in higher-order logic be confined to standard ones?
The Emergency Protection Order is served by the police personally or by substitutional service on further order.
must be understood either as standing in for an infinite list of individual principles or as disguised substitutional quantifications.
Substitutional carbon doping to h-BN layers and BN nanotubes has been performed using the electron beam irradiation technique [32, 33] and substitutionally doped C atoms in the h-BN monolayers have been observed via a transmission electron microscopy method [31].
Lambrecht, "Magnetic properties of substitutional 3d transition metal impurities in silicon carbide," Physical Review B, vol.
One is the native donor including interstitial Zn or oxygen vacancy and the other is substitutional Al atom.
Shen, "Electronic and optical properties of substitutional and interstitial si-doped ZnO," Materials, vol.