IMPACT
Im*pact", v. t. [imp. & p. p. Impacted; p. pr. & vb. n. Impacting.]
Etym: [L. impactus, p. p. of impingere to push, strike against. See
Impinge.]

Defn: To drive close; to press firmly together: to wedge into a place. Woodward.

IMPACT
Im"pact, n.

1. Contact or impression by touch; collision; forcible contact; force communicated. The quarrel, by that impact driven. Southey.

2. (Mech.)

Defn: The single instantaneous stroke of a body in motion against another either in motion or at rest.

IMPACTED
Im*pact"ed, a.

Defn: Driven together or close. Impacted fracture (Surg.), a fracture in which the fragments are driven into each other so as to be immovable.

IMPACTION
Im*pac"tion, n. Etym: [L. impactio a striking : cf. F. impaction.]

1. (Surg.)