engrammecommon nounSyllable DecompositionengrammeEtymologyexpandword created by Richard Wolfgang Semon in 1904. from German engramm, from Ancient Greek ἀ- a- and .Definition1. Imprint left in the brain or nervous system by some event and capable of being reactivated by appropriate stimulation.psychologieexpandPluralengrammesTranslationsenglish:engramdutch:engram