engram /enˈgram/, sometimes engramma /en-gramˈə/ (psychology)

1. A permanent impression made by a stimulus or experience
2. A stimulus impression supposed to be inheritable
3. A memory trace

engrammatˈic adjective

• ravels
• raven
• raven-bone
• raven-bones
• raven-duck
• raven-ducks
• ravened
• ravener
• raveners
• ravening
• ravenous
• ravenously
• ravenousness
• ravenousnesses
• ravens
• raven's-bone
• raven's-duck
• raver
• ravers
• raves
• rave-up
• rave-ups
• ravin
• ravin'd
• ravine