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Prepulse vs Propulse - What's the difference?

prepulse | propulse |

As a noun prepulse

is a weak pulse (stimulus) that inhibits a reaction to a subsequent stronger one.

As a verb propulse is

(obsolete|transitive) to repel; to drive off or away.

prepulse

English

Noun

(Prepulse inhibition) (en noun)
  • A weak pulse (stimulus) that inhibits a reaction to a subsequent stronger one

    • propulse

    English

    Verb

    (propuls)
  • (obsolete) To repel; to drive off or away.
    • (Cotgrave)
    (Webster 1913) ----