ignition-interlock

ignition interlock

noun Automotive.
interlock ( def 10 ).
Dictionary.com Unabridged

interlock

[v. in-ter-lok, in-ter-lok; n. in-ter-lok]
verb (used without object)
1.
to fit into each other, as parts of machinery, so that all action is synchronized.
2.
to interweave or interlace, one with another: The branches of the trees interlock to form a natural archway.
3.
Railroads. (of switches, signals, etc.) to operate together in a prearranged order.
verb (used with object)
4.
to lock one with another.
5.
to fit (parts) together to ensure coordinated action.
6.
Railroads. to arrange (switches, signals, etc.) to effect a predetermined sequence of movement.
noun
7.
the fact or condition of interlocking or of being interlocked.
8.
the existence or an instance of an interlocking directorate.
9.
a device for preventing a mechanism from being set in motion when another mechanism is in such a position that the two operating simultaneously might produce undesirable results.
10.
Also called ignition interlock. a device or system that prevents an automotive engine from starting until the seat belt for any occupied front seat is fastened.
11.
a stretch fabric made with a circular knitting machine having two alternating sets of long and short needles.
12.
Movies. a device for synchronizing the action of a camera and sound recorder.

Origin:
1625–35; inter- + lock1

interlocker, noun
uninterlocked, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
interlock
 
vb
1.  to join or be joined firmly, as by a mutual interconnection of parts
 
n
2.  the act of interlocking or the state of being interlocked
3.  a device, esp one operated electromechanically, used in a logic circuit or electrical safety system to prevent an activity being initiated unless preceded by certain events
4.  a closely knitted fabric
 
adj
5.  (of fabric) closely knitted
 
'interlocker
 
n

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