Webster
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Webster’s Revised Unabridged Dictionary · 1913

Permutation

Per′mu·ta′tion (pẽr′mū·tā′shŭn), n. [L. permutatio: cf. F. permutation. See Permute.] 1. The act of permuting; exchange of the thing for another; mutual transference; interchange.

The violent convulsions and permutations that have been made in property. Burke.

2. (Math.) (a) The arrangement of any determinate number of things, as units, objects, letters, etc., in all possible orders, one after the other; — called also alternation. Cf. Combination, n., 4. (b) Any one of such possible arrangements.

3. (Law) Barter; exchange.

Permutation lock, a lock in which the parts can be transposed or shifted, so as to require different arrangements of the tumblers on different occasions of unlocking.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.