Memory

1. The mental faculty of retaining and recalling past experience.

2. The act or an instance of remembering; recollection: spent the afternoon lost in memory.

3. All that a person can remember: It hasn't happened in my memory.

4. Something remembered: pleasant childhood memories.

5. The fact of being remembered; remembrance: dedicated to their parents' memory.

6. The period of time covered by the remembrance or recollection of a person or group of persons: within the memory of humankind.

7. Biology Persistent modification of behavior resulting from an animal's experience.

8. Computer Science a. A unit of a computer that preserves data for retrieval. b. Capacity for storing information: two gigabytes of memory.

9. Statistics The set of past events affecting a given event in a stochastic process.

10. The capacity of a material, such as plastic or metal, to return to a previous shape after deformation.

11. Immunology The ability of the immune system to respond faster and more powerfully to subsequent exposure to an antigen.