|1.||the act of one body, object, etc, striking another; collision|
|2.||the force with which one thing hits another or with which two objects collide|
|3.||the impression made by an idea, cultural movement, social group, etc: the impact of the Renaissance on Medieval Europe|
|4.||to drive or press (an object) firmly into (another object, thing, etc) or (of two objects) to be driven or pressed firmly together|
|5.||to have an impact or strong effect (on)|
|[C18: from Latin impactus pushed against, fastened on, from impingere to thrust at, from pangere to drive in]|
impacted im·pact·ed (ĭm-pāk'tĭd)
Wedged together at the broken ends. Used of a fractured bone.
Placed in the alveolus in a manner prohibiting eruption into a normal position. Used of a tooth.
Packed in or wedged in such a manner so as to fill or block an organ or a passage.