# presynaptic

> English word · Adjective · frequency rank #79,878

## Definitions
1. In a synapse, of or pertaining to the neuron that releases neurotransmitter into the synaptic cleft.

## Etymology
From pre- + synaptic.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/word/presynaptic