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The Collaborative International Dictionary
Excitant

Excitant \Ex*cit"ant\, n. (Physiol.) An agent or influence which arouses vital activity, or produces increased action, in a living organism or in any of its tissues or parts; a stimulant.

Excitant

Excitant \Ex*cit"ant\, a. [L. excitans, -antis, p. pr. of excitare: cf. F. excitant.] Tending to excite; exciting.

Wiktionary
excitant

a. exciting; stimulating n. Something that excites or stimulates; a stimulant

WordNet
excitant

adj. (of drugs e.g.) able to excite or stimulate [syn: excitative, excitatory]

Usage examples of "excitant".

It is very likely, as Sir Hubert says, that most modern composers have used the pianoforte a good deal--not so much to help them to find out their ideas, as to test the details and intensify their musical sensibility by the excitant sounds, the actual sensual impression of which is, of course, an essential element in all music.

After only two hours sleep in the last thirty-six he was having to use both chemical and software excitants to keep his edge.