flextension

noun4

1. •
   The extension of a deadline that allows a flexible final date (originally used to refer to Brexit, but subsequently extended to other contexts).

   • Some E.U. policymakers have argued for a “flextension” that would set a date for Britain’s E.U. exit far in the future but allow Britain to leave as soon as it comes up with a viable plan. — 2018
2. •
   A type of transducer that uses flexible, elastic shells to transmit and amplify displacements.

   • The dominant concept in high strain actuators is the flextension mechanism. — 1996
3. •
   A position in which the lower neck is flexed and upper neck extended.

   • The lubricated mask is inserted fully deflated, with the patient's head and neck in the sniffing position (lower neck flexed and upper neck extended, flextension). — 2019
4. •
   A variable-length extension to a tool or device.

   • The catalog shows use of units as screw-in and “flextension" types, on single socket or cluster torpedo canopy units, with “add-a-pipe" and curved arms and as portable units. — 1950