ETYM Latin deflexio, from deflectere: cf. French déflexion.
1. A twist or aberration; especially a perverse or abnormal way of judging or acting; SYN. warp.
2. The amount by which a propagating wave is bent; SYN. deflexion, refraction.
3. The movement of the pointer or pen of a measuring instrument from its zero position; SYN. deflexion.
4. The property of being bent or deflected; SYN. deflexion, bending.
The change in length along the primary axis or distance a diaphragm moves at the center between no-load and rated load conditions.