the application of voltage to an electric device, as an electron-tube circuit, an antenna, or a dynamotor, often for producing a magnetic field in the device.
the voltage applied.
Physics. a process in which a molecule, atom, nucleus, or particle is excited.
Also called drive. Electronics. the varying voltage applied to the control electrode of a vacuum tube.
Origin of excitation
1350–1400;Middle Englishexcitacioun < Late Latinexcitātiōn- (stem of excitātiō), equivalent to Latinexcitāt(us) (past participle of excitāre; see excite) + -iōn--ion
Related formspre·ex·ci·ta·tion, nounsu·per·ex·ci·ta·tion, noun
late 14c., from Old French excitation, from Latin excitationem (nominative excitatio), noun of action from past participle stem of excitare (see excite).
Premature activation of part of the ventricular myocardium by an impulse that travels by an anomalous path and so avoids physiological delay in the atrioventricular junction.
excitation
[ĕk′sī-tā′shən]
n.
The act of increasing the rapidity or intensity of the physical or mental processes; stimulation.
The complete, all-or-none response of a nerve or muscle to an adequate stimulus, ordinarily including propagation of excitation along the membranes of the cell or cells involved.
