substitutional adjective. [sʌbstɪ'tju:ʃ(ǝ)n(ǝ)l] L18.
[from SUBSTITUTION + -AL¹.]
1. Theology. Of, pertaining to, or based on the principle of sacrificial substitution. L18.

2. Involving a substitution; constituting or forming a substitute. E19.
b. Metallurgy. Of an alloy: involving the substitution at certain lattice sites of atoms of the minor component for those of the major. M20.
substitutional site a lattice site at which atomic substitution occurs.

■ substitutionally adverb L19.

[TahlilGaran] English Dictionary ▲