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excitor

American  
[ik-sahy-ter, -tawr] / ɪkˈsaɪ tər, -tɔr /

noun

  1. Physiology. a nerve whose stimulation excites greater action.

  2. Archaic. an exciter.


excitor British  
/ ɪkˈsaɪtə /

noun

  1. a nerve that, when stimulated, causes increased activity in the organ or part it supplies

  2. a variant spelling of exciter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of excitor

First recorded in 1810–20; excite + -or 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is wise to remember that the vasoconstrictor nerves are one in kind with the excitor nerves of the heart, while the vasodilators are in like manner associated with the vagus.

From Project Gutenberg

First then, as Fine Art delights in proportion to the delectating interest of the objects it depicts, and, as subsequently stated, grieves or distresses in proportion as the objects are grievous or distressing, we have this resultant: “Fine Art excites in proportion to the excitor influence of the object;” and then, that “fine art excites either the sensory or the mental faculties, in a like proportion to the excitor properties of the objects respectively.”

From Project Gutenberg

Intense mental occupation, concentration as the popular term has it, acts as a patent excitor of the attack.

From Project Gutenberg

We have said that all bodies yield electricity under the friction of dissimilar bodies; but this cannot be proved for every body by simply holding it in one hand and rubbing it with the excitor, as may be done in the case of glass.

From Project Gutenberg