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A catch or lever that locks the movement of one part of a mechanism.

[French détente, a loosening, from Old French destente, from feminine past participle of destendre, to release : des-, de- + tendre, to stretch (from Latin tendere; see ten- in Indo-European roots).]


(Mechanical Engineering) the locking piece of a mechanism, often spring-loaded to check the movement of a wheel in one direction only. See also pawl
[C17: from Old French destente, a loosening, trigger: see détente]



a mechanism that temporarily keeps one part in a certain position relative to another, and can be released by applying force to one of the parts.
[1680–90; < French détente, Old French destente, derivative of destendre to relax =des- dis-1 + tendre to stretch; see tender2]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.detent - a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backwarddetent - a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
catch, stop - a restraint that checks the motion of something; "he used a book as a stop to hold the door open"
rachet, ratch, ratchet - mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
References in periodicals archive ?
Supply and installation of fire doors, exterior doors and fixed glazing as tubular frame parts made of aluminum with different requirements, detents and accessories.
Revo NC2 features a large, ergonomic push-to-talk button for easy activation and a newly redesigned clip providing excellent retention and featuring 45 degree rotating detents.
Use it to retain springs and detents on rear sight assemblies, for instance.
But operators obviously must check during PMCS that the selector switch aligns correctly with the S, D and T detents and stays in the selected mode during the checks.
The safety lever and rear takedown pin are retained by springs and detents that are held in place by the pistol grip.
It is made of a black nylon material, fits in the A2 buttstock storage compartment and will aid in the installation and removal of the takedown pin detents and springs.
The TSW Series scroll wheel switches feature push and rotary functions with 24 detents at 12 pulses in a compact and slim design, freeing up space on the PC board within miniature consumer electronics devices.
LINK Tools work with and lock on all sockets and attachments having standard detents.
Multiple options can be specified into the joystick's configuration, such as detents, friction locks, redundant outputs and switch functions.
Operators don't have to preset after indexing due to self-locating detents, which maintain the cutting edge position consistently.
This feature allows tilting and shifting lens movements to be adjusted in parallel or at right angles to each other, with detents at 45@ intervals.
5 Oz Volume Control Knob With Detents Coiled Cord Flexible Boom M-7a Amplified Electret Microphone Tso%d Headset With An Nrr Of 23db.