Lengua inglesa
1 the act of an object hitting or colliding with another object; a collision.
2 the force of such a collision.
3 a strong effect or impression.
verb (impacted , impacting )
a to press (two objects) together with force;
b to force (one object) into (another).
2 intr to come forcefully into contact with another body or surface, etc.
3 intr to have an impact or effect on.
[17c: from Latin impingere , impactum to strike against]
impaction noun .

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adjective said of a tooth, especially a wisdom tooth: unable to erupt through the gum into a normal position because it is firmly wedged between the jawbone and another tooth.

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impacted fracture
noun a fracture with the jagged broken ends of the bone driven into each other.

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