Definition of lock-on in English:

lock-on

noun ˈlɒkɒn

1A device or piece of equipment which can be locked or clipped on to something.
2The establishment of a physical connection between machines or vehicles; docking; the capability for establishing such a connection. Frequently (and earliest) in attributive use.
3The action of a radar device, weapon, etc., in locating a target and then automatically tracking it; the state of having done this. Compare to lock on to ——.
4An act of protest in which demonstrators lock or chain themselves to trees, buildings, etc.; (as a mass noun) the use of such acts.

Origin

1940s; earliest use found in The Railroad Magazine. Partly from to lock on.

Definition of lock-on in US English:

lock-on

nounˈlɒkɒn

1A device or piece of equipment which can be locked or clipped on to something.
2The establishment of a physical connection between machines or vehicles; docking; the capability for establishing such a connection. Frequently (and earliest) in attributive use.
3The action of a radar device, weapon, etc., in locating a target and then automatically tracking it; the state of having done this. Compare to lock on to ——.
4An act of protest in which demonstrators lock or chain themselves to trees, buildings, etc.; (as a mass noun) the use of such acts.

Origin

1940s; earliest use found in The Railroad Magazine. Partly from to lock on.

词汇	lock-on
释义	Definition of lock-on in English: lock-on noun ˈlɒkɒn 1A device or piece of equipment which can be locked or clipped on to something. 2The establishment of a physical connection between machines or vehicles; docking; the capability for establishing such a connection. Frequently (and earliest) in attributive use. 3The action of a radar device, weapon, etc., in locating a target and then automatically tracking it; the state of having done this. Compare to lock on to ——. 4An act of protest in which demonstrators lock or chain themselves to trees, buildings, etc.; (as a mass noun) the use of such acts. Origin 1940s; earliest use found in The Railroad Magazine. Partly from to lock on. Definition of lock-on in US English: lock-on nounˈlɒkɒn 1A device or piece of equipment which can be locked or clipped on to something. 2The establishment of a physical connection between machines or vehicles; docking; the capability for establishing such a connection. Frequently (and earliest) in attributive use. 3The action of a radar device, weapon, etc., in locating a target and then automatically tracking it; the state of having done this. Compare to lock on to ——. 4An act of protest in which demonstrators lock or chain themselves to trees, buildings, etc.; (as a mass noun) the use of such acts. Origin 1940s; earliest use found in The Railroad Magazine. Partly from to lock on.
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