What is the scientific meaning of thrust?

Answer 1

Thrist., of Thrust, To push or drive with force; to drive, force, or impel; to shove; as, to thrust anything with the hand or foot, or with an instrument., To stab; to pierce; -- usually with through., To make a push; to attack with a pointed weapon; as, a fencer thrusts at his antagonist., To enter by pushing; to squeeze in., To push forward; to come with force; to press on; to intrude., A violent push or driving, as with a pointed weapon moved in the direction of its length, or with the hand or foot, or with any instrument; a stab; -- a word much used as a term of Fencing., An attack; an assault., The force or pressure of one part of a construction against other parts; especially (Arch.), a horizontal or diagonal outward pressure, as of an arch against its abutments, or of rafters against the wall which support them., The breaking down of the roof of a gallery under its superincumbent weight.