from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A nerve whose stimulation induces an increase in activity of the part it supplies.

from The Century Dictionary and Cyclopedia

  • n. Same as exciter; specifically, a nerve, stimulation of which excites to greater action in the part supplied.


Sorry, no etymologies found.


  • 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.

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  • 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.

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  • 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."

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  • All those fine first feelings, of which he had hoped to be the excitor, were already given.

    Mansfield Park

  • If it still thinks there is power on the excitor wire then the alt has a kinda dead short if its not spinning and trying to energize so it will drain a battery in a day give or take.

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  • A CS can simultaneously act as excitor and inhibitor of the CR.

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