Dictionary > Stimulant

Stimulant

Definition
noun, plural: stimulants
(1) A substance capable of creating a stimulus that increases physiological or nervous activity in the body.
(2) An agent that produces stimulation.
Supplement
Example is caffeine in tea and coffee capable of stimulating the central nervous system, increasing heart rate, blood pressure, and alertness, and therefore, making some people feel better and able to concentrate.
Drugs that act as stimulants can temporarily increase alertness and awareness, or temporarily increase body or organ function.
Word origin: Latin stimulant- (s. of stimulāns, prp. of stimulāre to goad).
Related terms:


You will also like...

primitive arthropods
Arthropods

The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..

Evolution of Life - Ancient Earth
Evolution of Life – Ancient Earth

Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

Human gastrointestinal tract
Human Biology – Food and Digestion

This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Schematic diagram of DNA replication
DNA Structure & DNA Replication

DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..

The Human Physiology
The Human Physiology

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

Sigmund Freud and Carl Gustav Jung
Sigmund Freud and Carl Gustav Jung

In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..