arc-boutement

== French == === Etymology === From arc-bouter (“to buttress”) +‎ -ment. === Pronunciation === IPA(key): /aʁk.but.mɑ̃/ === Noun === arc-boutement m (plural arc-boutements) (mechanical engineering) load amplied on a slide joint, parallel to the sliding axis but with a lever arm, so that the resulting torque blocks the system and prevents the sliding. This phenomenon is due to friction, and can be used by purpose, e.g. for an F-clamp or a roller freewheel. Over-centering, over-center locking, more than acceptable edge loading ==== Related terms ==== arc-boutant arc-bouter === Further reading === “arc-boutement”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012