Definition of pre-tension in English:

pre-tension

Line breaks: pre-tension
Pronunciation: /priːˈtɛnʃ(ə)n
 
/

verb

[with object]
  • 1Apply tension to (an object) before manufacture or use: the safety system pre-tensions the seat belts
    More example sentences
    • The Musso also has ABS brakes, traction control, driver's side airbag, pre-tensioned safety belts and side impact protection bars.
    • Mercedes has a similar system on the S-Class called ‘Pre-Safe’ that pre-tensions the seatbelts, adjusts the seats to their optimal crash position if necessary, and closes the sunroof should the vehicle skid.
    • If the sensor net determined that a collision was imminent, the system could brake the vehicle, pre-charge the airbags, pre-tension the seatbelts, and plot a path to impact that would result in the least likelihood of injury or death.
  • 1.1Strengthen (reinforced concrete) by applying tension to the reinforcing rods before the concrete has set.
    More example sentences
    • Concrete can be prestressed in a factory by tensioning the steel reinforcement first and then placing concrete around it - ‘pre-tensioned’ reinforcement.
    • Dowel bars are similar steel bars installed across joints to provide resistance to shear, but are not pre-tensioned.
    • Effectively an evolution of the familiar DSC traction control system, DSC + offers a range of benefits, including brake standby that pre-tensions the brakes when the driver quickly removes the pressure from the accelerator pedal.

Derivatives

pre-tensioner

noun
More example sentences
  • The cars come with a good deal of kit: standard electronic stability, anti-lock brakes and electronic brake force distribution, disc brakes all round, four airbags and belt pre-tensioners.
  • Safety package includes side curtain airbags as well as energy-absorbent front seat back, with anti-whiplash mechanism, as well as front and rear seat belt pre-tensioners.
  • Worries about safety are met by a body shell which meets all European and American collision standards, driver and passenger front and side airbags, seat belt pre-tensioners and twin roll bars.

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