engram

noun

en·​gram ˈen-ˌgram How to pronounce engram (audio)
variants or less commonly engramme
: a hypothetical change in neural tissue postulated in order to account for persistence of memory : memory trace

Examples of engram in a Sentence

Recent Examples on the Web
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Prime engrams can drop from all end-of-run engrams, not just the completion one (though presumably Solo Ops Primes have one less power). Paul Tassi, Forbes.com, 22 Aug. 2025 First, the engram cells that initially encoded a learning experience were reactivated, indicating that consolidation was taking place. Jack Knudson, Discover Magazine, 28 Apr. 2025 Just because these are old passes, that does not mean those engrams are stuck at lower power. Paul Tassi, Forbes, 4 Mar. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of engram was in 1908

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Cite this Entry

“Engram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/engram. Accessed 6 Sep. 2025.

Medical Definition

engram

noun
en·​gram
variants also engramme
: a hypothetical change in neural tissue postulated in order to account for persistence of memory : memory trace
engrammic adjective
Last Updated: - Updated example sentences
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