| impact | |
| —n | |
| 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 |
| —vb | |
| 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] | |
| im'paction | |
| —n | |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
impaction im·pac·tion (ĭm-pāk'shən)
n.
The process or condition of being impacted.