| permutation | 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. <mathematics> 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. Any one of such possible arrangements. 3. 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. Origin: L. Permutatio: cf. F. Permutation. See Permute. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| T even phage | <microbiology> A group of dsDNA bacteriophages of enterobacteria including T2, T4, T6 as opposed to T odd phage (T1, 3, 5 and 7) (18 Nov 1997) |
| even | 1. Level, smooth, or equal in surface; not rough; free from irregularities; hence uniform in rate of motion of action; as, even ground; an even speed; an even course of conduct. 2. Equable; not easily ruffed or disturbed; calm; uniformly self-possessed; as, an even temper. 3. Parallel; on a level; reaching the same limit. "And shall lay thee even with the ground." (Luke xix. 44) 4. Balanced; adjusted; fair; equitable; impartial; just to both side; owing nothing on either side; said of accounts, bargains, or persons indebted; as, our accounts are even; an even bargain. "To make the even truth in pleasure flow." (Shak) 5. Without an irregularity, flaw, or blemish; pure. "I know my life so even." 6. Associate; fellow; of the same condition. "His even servant." 7. Not odd; capable of division by two without a remainder; said of numbers; as, 4 and 10 are even numbers. "Whether the number of the stars is even or odd." (Jer. Taylor) On even ground, with equal advantage. On even keel, in a level or horizontal position. Origin: AS. Efen. Efn; akin to OS. Eban, D. Even, OHG. Eban, G. Efen, Icel. Jafn, Dan. Jevn, Sw. Jamn, Goth. Ibns. Cf. Anent, Ebb. Source: Websters Dictionary (01 Mar 1998) |
| even-pinnate | <botany> Said of compound leaves having an even number of leaflets, this is usually easily determined because there is a terminal pair. (09 Oct 1997) |
| even skipped | <genetics> A pair rule gene of Drosophila. (18 Nov 1997) |
| even-year runs | <zoology> Populations of fish returning to spawning grounds in even-numbered years. (09 Oct 1997) |