benzodiazepine
UK[ˌbenzəʊdʌɪˈeɪzəpiːn]US[ˌbenzoʊdʌɪˈæzəˌpin]
n
Any of a class of psychoactive drugs used as tranquillizers, sedatives, and muscle relaxants.
Morpheme Breakdown
benzo
diazep
ine
benzo
chemical ring
diazep
nitrogen-containing ring
ine
chemical substance
Etymology
The word 'benzodiazepine' is a modern scientific coinage, constructed from International Scientific Vocabulary components to describe its precise chemical structure. The first element, 'benzo-', refers to a benzene ring fused to a seven-membered heterocyclic ring. The second element, '-diazep-', specifies that this seven-membered ring contains two nitrogen atoms ('di-' + 'az-'). The final suffix '-ine' is a standard chemical denoter for organic compounds, particularly those with basic properties. Thus, the term's literal meaning, "a compound containing a benzene ring fused to a diazepine ring," directly and logically names the molecular architecture that defines this class of pharmacologically active substances.
Analysis
Structure: benzo (chemical ring) + diazep (nitrogen-containing ring) + ine (chemical substance)
benzo: From International Scientific Vocabulary 'benz-' (relating to benzoin or benzene), a chemical ring structure. Origin: Ultimately from Arabic 'lubān jāwī' (incense of Java), via French 'benjoin' and German 'Benzoe'.
diazep: A combining form from 'diazepine', itself from 'di-' (two) + 'az(a)-' (nitrogen) + 'ep' (from 'seven-membered ring').
ine: A suffix used in chemistry to form names of substances, especially alkaloids and other basic compounds. Origin: From French '-ine', from Latin '-ina'.
Examples
Diazepam is one of the most commonly prescribed benzodiazepines.
Long-term use of benzodiazepines can lead to dependence.
The doctor advised a gradual reduction of the benzodiazepine dosage.