excitatory

adjective
ex·​cit·​ato·​ry | \ik-ˈsī-tə-ˌtȯr-ē \

Definition of excitatory 

: exhibiting, resulting from, relating to, or producing excitement or excitation excitatory nerve fibers

Examples of excitatory in a Sentence

Recent Examples on the Web

When excitatory neurons are firing to your left leg muscles, for example, inhibitory ones are firing to your right. Steph Yin, New York Times, "These Skates Are Made for Walking," 8 Feb. 2018

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

First Known Use of excitatory

1803, in the meaning defined above

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Dictionary Entries near excitatory

excitant

excitation

excitative

excitatory

excite

excited

excitedness

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Time Traveler for excitatory

The first known use of excitatory was in 1803

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More Definitions for excitatory

excitatory

adjective
ex·​cit·​ato·​ry | \ik-ˈsīt-ə-ˌtōr-ē, -ˌtȯr- \

Medical Definition of excitatory 

1 : tending to induce excitation (as of a neuron) excitatory substances excitatory and inhibitory pathways from the brain— W. G. Van der Kloot

2 : exhibiting, resulting from, related to, or produced by excitement or excitation an excitatory postsynaptic potential

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Rhyming Dictionary: Words that rhyme with excitatory

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