| stime | A slight gleam or glimmer; a glimpse. Origin: Etymology uncertain. Source: Websters Dictionary (01 Mar 1998) |
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| stimulant | 1. Producing stimulation, especially producing stimulation by causing tension on muscle fibre through the nervous tissue. 2. <pharmacology> An agent or remedy that produces stimulation. Origin: L. Stimulans (18 Nov 1997) |
| stimulants (historical) | Agents or remedies that historically have produced stimulation or excited functional activity. (12 Dec 1998) |
| stimulate | 1. To excite as if with a goad; to excite, rouse, or animate, to action or more vigorous exertion by some pungent motive or by persuasion; as, to stimulate one by the hope of reward, or by the prospect of glory. "To excite and stimulate us thereunto." (Dr. J. Scott) 2. <physiology> To excite; to irritate; especially, to excite the activity of (a nerve or an irritable muscle), as by electricity. Synonym: To animate, incite, encourage, impel, urge, instigate, irritate, exasperate, incense. Origin: L. Stimulatus, p.p. Of stimulare to prick or goad on, to incite, fr. Stimulus a goad. See Stimulus. Source: Websters Dictionary (01 Mar 1998) |
| stimulated emission | <radiobiology> Radiation coherently emitted by excited ions when driven by a passing light wave and the appropriate transition wavelength. Laser means Light Amplification by Stimulated Emission of Radiation, it occurs when there is a population inversion between the upper and lower energy states of the transition, such that stimulated emission can dominate excitation. Stimulated emission is coherent and codirectional with the stimulating wave, and the rate of stimulated emission is proportional to the intensity of the stimulating wave. (09 Oct 1997) |
| stimulation | 1. The act of stimulating, or the state of being stimulated. 2. <physiology> The irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity; irritation. Origin: L. Stimulatio: cf. F. Stimulation. Source: Websters Dictionary (01 Mar 1998) |
| stimulator | 1. Producing stimulation, especially producing stimulation by causing tension on muscle fibre through the nervous tissue. 2. <pharmacology> An agent or remedy that produces stimulation. Origin: L. Stimulans (18 Nov 1997) |
| stimulatory protein 1 | An RNA polymerase II transcription factor in vertebrates; binds to DNA in regions rich in G and C residues; a general promoter-binding factor necessary for the activation of many genes. (05 Mar 2000) |
| stimulatress | A woman who stimulates. Source: Websters Dictionary (01 Mar 1998) |
| stimuli | The pleural of stimulus. (05 Mar 2000) |
| stimulism | <medicine> The theory of medical practice which regarded life as dependent upon stimulation, or excitation, and disease as caused by excess or deficiency in the amount of stimulation. The practice of treating disease by alcoholic stimulants. Source: Websters Dictionary (01 Mar 1998) |
| stimulus | Origin: L, for stigmulus, akin to L. Instigare to stimulate. See Instigare, Stick. 1. A goad; hence, something that rouses the mind or spirits; an incentive; as, the hope of gain is a powerful stimulus to labour and action. 2. <physiology> That which excites or produces a temporary increase of vital action, either in the whole organism or in any of its parts; especially, any substance or agent capable of evoking the activity of a nerve or irritable muscle, or capable of producing an impression upon a sensory organ or more particularly upon its specific end organ. Of the stimuli applied to the sensory apparatus, physiologists distinguish two kinds: (a) Homologous stimuli, which act only upon the end organ, and for whose action the sense organs are especially adapted, as the rods and cones of the retina for the vibrations of the either. (b) Heterologous stimuli, which are mechanical, chemical, electrical, etc, and act upon the nervous elements of the sensory apparatus along their entire course, producing, for example, the flash of light beheld when the eye is struck. Source: Websters Dictionary (01 Mar 1998) |
| stimulus control | The use of conditioning techniques to bring the target behaviour of an individual under environmental control. See: classical conditioning. (05 Mar 2000) |
| stimulus generalisation | <psychology> The tendency to react to stimuli that are different from, but somewhat similar to, the stimulus used as a conditioned stimulus. (12 Dec 1998) |
| stimulus generalization | In Pavlovian conditioning, the eliciting of a conditioned response by stimuli never before experienced but which are similar to a particular conditioned stimulus. See: conditioning, classical conditioning. (05 Mar 2000) |