excitant

[ik-sahyt-nt, ek-si-tuh nt]
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noun
  1. Physiology. something that excites; a stimulant.

Origin of excitant

1600–10; < Latin excitant- (stem of excitāns), present participle of excitāre. See excite, -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for excitant

excitant

adjective Also: excitative (ɪkˈsaɪtətɪv), excitatory (ɪkˈsaɪtətərɪ, -trɪ)
  1. able to excite or stimulate
noun
  1. something, such as a drug or other agent, able to excite; stimulant
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