barbiturate

Type: Term Pronunciation: bar-bich′ūr-āt Definitions: 1. A derivative of barbituric acid (phenobarbital) that act as CNS depressants and are used for their tranquilizing, hypnotic, and anti-seizure effects; most barbiturates have the potential for abuse.
Found on http://www.medilexicon.com/medicaldictionary.php?t=9477

Barbiturate

Barbiturates are drugs that act as central nervous system depressants, and can therefore produce a wide spectrum of effects, from mild sedation to total anesthesia. They are also effective as anxiolytics, hypnotics, and anticonvulsants. Barbiturates also have analgesic effects; however, these effects are somewhat weak, preventing barbiturates from...
Found on http://en.wikipedia.org/wiki/Barbiturate

barbiturate

[n] - organic compound having powerful soporific effect
Found on http://www.webdictionary.co.uk/definition.php?query=barbiturate

barbiturate

A widely used group of sedative drugs made from barbituric acid. Continual use may result in addiction. ... Examples include Phenobarbital, secobarbital, pentobarbital, butalbital and amobarbital. ... (27 Sep 1997) ...
Found on http://www.encyclo.co.uk/local/20973

barbiturate

noun organic compound having powerful soporific effect; overdose can be fatal
Found on http://wordnetweb.princeton.edu/perl/webwn?s=barbiturate

barbiturate

(bahr-bich´әr-әt) any of a class of sedative-hypnotic agents derived from barbituric acid or thiobarbituric acid and classified into long-, intermediate-, short-, and ultrashort-acting classes. The ultrashort-acting barbiturates, such as thiopental, are used as intravenous anesthetics. The long-acting barbit...
Found on http://www.encyclo.co.uk/local/21001

barbiturate

any of a class of organic compounds used in medicine as sedatives (to produce a calming effect), as hypnotics (to produce sleep), or as an adjunct in ... [12 related articles]
Found on http://www.britannica.com/eb/a-z/b/20

barbiturate

barbiturate (bärbich'urāt") , any one of a group of drugs that act as depressants on the central nervous system. High doses depress both nerve and muscle activity and inhibit oxygen consumption in the tissues. In low doses barbiturates act as sedatives, i.e., they have a tranquili...
Found on http://www.infoplease.com/ce6/sci/A0806154.html

barbiturate

Hypnosedative drug, commonly known as a `sleeping pill`, consisting of any salt or ester of barbituric acid C4H4O3N2. It works by depressing brain activity. Most barbiturates, being highly addictive, are no longer prescribed and are listed as contr...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0014528.html

barbiturate

A type of drug that causes a decrease in brain activity. Barbiturates may be used to treat insomnia, seizures, and convulsions, and to relieve anxiety and tension before surgery. A barbiturate is a type of central nervous system (CNS) depressant.
Found on http://www.cancer.gov/dictionary?expand=B
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