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1. producing stimulation, especially by stimulation of muscle fibers through nervous tissue.
2. an agent that has such effects.


1. Stimulating; exciting to action.
See also: stimulus.
2. An agent that arouses organic activity, strengthens the action of the heart, increases vitality, and promotes a sense of well-being; classified according to the parts on which they chiefly act: cardiac, respiratory, gastric, hepatic, cerebral, spinal, vascular, genital.
See also: stimulus. Synonym(s): excitor, stimulator
Synonym(s): excitant
[L. stimulans, pres. p. of stimulo, pp. -atus, to goad, incite, fr. stimulus, a goad]


Tending to excite; stimulating.
An agent or stimulus that excites; a stimulant.


a drug or other agent that arouses the central nervous system or other body system in a particular manner. Excitants may be drugs or other substances, such as caffeine, or visual or auditory stimuli.


1. Stimulating; exciting to action.
2. Agent that arouses organic activity, strengthens heart action, increases vitality, and promotes sense of well-being.
Synonym(s): excitant.
[L. stimulans, pres. p. of stimulo, pp. -atus, to goad, incite, fr. stimulus, a goad]

excitant (eksīt´ənt),

n an agent that stimulates the activity of an organ.


an agent producing excitation of the vital functions, or of those of the brain.

Patient discussion about excitant

Q. I am excited to know in what way diet helps in preventing osteoporosis? my mother is suspecting to be having osteoporosis. She regularly complains of leg pain. Upon consultation with the doctor it was found with low calcium in her blood. She was given calcium tablets and was told to increase in the diet rich in calcium. She is taking milk and yoghurt especially. She is not well yet but shows some improvement. I am excited to know in what way diet helps in preventing osteoporosis?

A. you see, our bones are a giant storage of calcium. our body needs a very steady concentration of calcium, if it'll be low the body will take it form your bones. if there's too much- it'll either build bones (but only if he'll think he needs too- that is where sport get in the picture)or you'll urinate it.any way, you rather have large amount of calcium in your diet then less. but it's not enough- sport and other medication can help.

Q. my wife is pregnant !!! i am so excited ! this is the first time out of many i hope !!! but i have concerns that i would like to share with the community here ... i am afraid of being a bad father , i am afraid i won't know how to be a father ... where do u start ... how do i support my wife after the though experince ... how do i take care of the child ... a lot of things a re running through my mind with no answer ,can any one help me to calm down ????

A. you won't be a perfect father but you'll try to be. that's what's important. thousands of years of evolution gave you the basics. you'll be fine :)

Q. Hello everyone !!! are you excited with the swearing of Obama To presidency??? i sure am !!! may we all get a little joy and peaceful time wit hour fresh president ... and let us all wish him a great start and a chance to change our lives ... Good Luck Mr.President Obama !!!

A. well said Mrfoot65! May all the people in America receive the healthcare treatment they need. God bless.

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References in periodicals archive ?
The new solution provided to the customer is a bespoke brushless exciter to meet the duty of this site, whilst retaining the original fan, shaft interfaces and housing.
Until recently, the vast majority of vibration testing has been conducted on a single exciter that would impart translational motion to the test payload in a single mechanical degree of freedom (1-DOF).
As far as the exciter is concerned, the parameters [b.
The LSM 5 EXCITER provides image sizes of up to 2,048 x 2,048 pixels, 12-bit resolution per channel, high scan speeds, high-sensitivity detectors (photomuhipliers), and short light paths from the specimen to the detector.
Exciter can be either an AC machine, DC machine, or it is fed from generator.
WTA-300B static exciter/voltage regulator (SE/VR) systems are used for replacement of existing rotating exciters and on new generators worldwide.
An exciter enclosed in each quantum dot is treated as a quantum bit to enable the structure to be used as a multi-bit device.
Remote functions include ignition, travel direction and speed, vibration, exciter system control and an emergency stop switch.
In developing miniature hand-held DML applications, NXT, Cambridge, England, encountered problems with actuation when using their traditional transducer, based on a moving coil exciter.