Definition of Combination lock. Meaning of Combination lock. Synonyms of Combination lock

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Definition of Combination lock

Combination lock
Combination Com`bi*na"tion, n. [LL. combinatio. See Combine.] 1. The act or process of combining or uniting persons and things. Making new compounds by new combinations. --Boyle. A solemn combination shall be made Of our dear souls. --Shak. 2. The result of combining or uniting; union of persons or things; esp. a union or alliance of persons or states to effect some purpose; -- usually in a bad sense. A combination of the most powerful men in Rome who had conspired my ruin. --Melmoth. 3. (Chem.) The act or process of uniting by chemical affinity, by which substances unite with each other in definite proportions by weight to form distinct compounds. 4. pl. (Math.) The different arrangements of a number of objects, as letters, into groups. Note: In combinations no regard is paid to the order in which the objects are arranged in each group, while in variations and permutations this order is respected. --Brande & C. Combination car, a railroad car containing two or more compartments used for different purposes. [U. S.] Combination lock, a lock in which the mechanism is controlled by means of a movable dial (sometimes by several dials or rings) inscribed with letters or other characters. The bolt of the lock can not be operated until after the dial has been so turned as to combine the characters in a certain order or succession. Combination room, in the University of Cambridge, Eng., a room into which the fellows withdraw after dinner, for wine, dessert, and conversation. Combination by volume (Chem.), the act, process, or ratio by which gaseous elements and compounds unite in definite proportions by volume to form distinct compounds. Combination by weight (Chem.), the act, process, or ratio, in which substances unite in proportions by weight, relatively fixed and exact, to form distinct compounds. See Law of definite proportions, under Definite. Syn: Cabal; alliance; association; league; union; confederacy; coalition; conspiracy. See Cabal.

Meaning of Combination lock from wikipedia

- A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using...
- A rotary combination lock is a lock commonly used to secure safes and as an unke**** padlock mechanism. This type of locking mechanism consists of a single...
- item is a combination lance and double-barreled gun; its origin unknown, dated almost certainly before 1600. The archaic form of Spanish lock was further...
- use a brute-force attack (try every combination until it opens). Also called an O-lock, ring-lock or frame lock. This is a low security mechanism mounted...
- anchor attached to a rubberized metal cable secured with a key or combination lock. The end of the cable has a small loop that allows the cable to be...
- know the specifics of whichever will come into play. Lock mani****tion is a damage-free, combination-based method. A well known surreptitious byp**** technique...
- by a combination thereof, or it may only be able to be opened from one side, such as a door chain. A key is a device that is used to operate a lock (to...
- time-delay combination lock is most commonly a digital, electronic combination lock equipped with a delay timer that delays the unlocking of the lock by a user-definable...
- combination lock in 1857. His lock became po****r with safe manufacturers and the United States Treasury Department. In 1873, he patented a time lock...
- dropping valuables into the safe without opening it, and a time-delay combination lock to foil thieves. One significant distinction between types of safes...