syn·​ap·​tic | \ sə-ˈnap-tik How to pronounce synaptic (audio) \

Definition of synaptic

1 : of or relating to a synapsis
2 : of or relating to a synapse

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Other Words from synaptic

synaptically \ sə-​ˈnap-​ti-​k(ə-​)lē How to pronounce synaptic (audio) \ adverb

Examples of synaptic in a Sentence

Recent Examples on the Web Experts have explored the effects of meditation on our human brain, and there are remarkable differences in our synaptic activity before and after reaching heart congruence. Annie Brown, Forbes, 13 May 2021 Backpropagation is a method for updating the synaptic weights to descend that gradient. Quanta Magazine, 18 Feb. 2021 Not being able to sit together during the mixing process and express elation and disappointment in real time, or observe each other’s reactions without worrying about bandwidth, sapped some of the synaptic spark from the process. T.m. Brown, Rolling Stone, 22 Apr. 2021 Those incoming action potentials elicit a different kind of electrical signal in the receiving neuron called post synaptic potentials (PSPs). Gabriel A. Silva, Forbes, 19 Apr. 2021 When mice lived in rich environments, their brains underwent physical changes: More neurons were generated in the brain’s memory center, the hippocampus, and strong synaptic activity supported learning. Han Yu, WSJ, 25 Feb. 2021 The Company's lead product candidate, SAGE-547 is an intravenous formulation of allopregnanolone, a neurosteroid that acts as a synaptic and extrasynaptic modulator of the Gamma-Amino Butyric Acid-A (GABAA) receptor. Forbes Quant Trader, Forbes, 2 Mar. 2021 That is, the more correlated the activity of adjacent neurons, the stronger the synaptic connections between them. Quanta Magazine, 18 Feb. 2021 The materialist interpretation is that consciousness and the mind aren’t separate from the brain, but rather are products of the brain—of neuronal, synaptic and other activity. WSJ, 20 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'synaptic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of synaptic

1895, in the meaning defined at sense 1

History and Etymology for synaptic

New Latin synapsis

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Time Traveler for synaptic

Time Traveler

The first known use of synaptic was in 1895

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Dictionary Entries Near synaptic



synaptic nervous system

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Statistics for synaptic

Last Updated

12 Jun 2021

Cite this Entry

“Synaptic.” Dictionary, Merriam-Webster, Accessed 29 Jul. 2021.

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More Definitions for synaptic


syn·​ap·​tic | \ si-ˈnap-tik, British also sī- \

Medical Definition of synaptic

1 : of, relating to, or participating in synapsis synaptic chromosomes
2 : of or relating to a synapse synaptic transmission

Other Words from synaptic

synaptically \ -​ti-​k(ə-​)lē How to pronounce synaptic (audio) \ adverb


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