Main Entry: en·gram Variant: alsoen·gramme/'en-"gram/ Function: noun : a hypothetical change in neural tissue postulated inorder to account for persistence of memory called also memory trace —en·gram·mic/en-'gram-ik/adjective
engram en·gram (ěn'grām') n. A physical alteration thought to occur in living neural tissue in response to stimuli, posited as an explanation for memory. Also called neurogram.