lock vs combination lock

combination lock vs lock

lock and combination lock both are nouns.

lock is a verb but combination lock is not a verb.

Word	Noun	Adjective	Verb	Adverb
lock	Yes	No	Yes	No
combination lock	Yes	No	No	No

As nouns, combination lock is a hyponym of lock; that is, combination lock is a word with a more specific, narrower meaning than lock:

lock: a fastener fitted to a door or drawer to keep it firmly closed
combination lock: lock that can be opened only by turning dials in a special sequence

Other hyponyms of lock include cylinder lock, doorlock, door latch, latch, lever lock, padlock, sash fastener, sash lock, window lock.

lock (noun)	combination lock (noun)
any wrestling hold in which some part of the opponent's body is twisted or pressured	lock that can be opened only by turning dials in a special sequence
a fastener fitted to a door or drawer to keep it firmly closed
a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key
enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it
a mechanism that detonates the charge of a gun
a strand or cluster of hair

lock (verb)	combination lock (verb)
become rigid or immoveable
fasten with a lock
keep engaged
place in a place where something cannot be removed or someone cannot escape
become engaged or intermeshed with one another
hold in a locking position
build locks in order to facilitate the navigation of vessels
hold fast (in a certain state)
pass by means through a lock in a waterway

Difference between lock and combination lock

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