(homeopathy) The ability of water to retain "memory" of substances previously dissolved in it after arbitrarily large dilution.

(biology) The state of a biological system encoded in its genetic material. / (psychology) A memory present at birth that exists in the absence of sensory experience.

(psychology) A supposed memory, present at birth, and that exists in the absence of sensory experience, that arises from the common experience of one's ancestors.

plural of bubble memory

(computing, historical) A type of non-volatile computer memory that uses a thin film of magnetic material to hold small magnetized areas, known as bubbles or domains, each storing one bit of data.

plural of memory stick

plural of memory lane

(colloquial) A very poor memory.

shape memory alloy

plural of memory metal