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benzo

1 American  
[ben-zoh] / ˈbɛn zoʊ /

noun

Slang.
  1. benzodiazepine.


benzo- 2 American  
  1. a combining form used in the names of chemical compounds in which benzene, benzoic acid, or one or more of the phenyl groups is present.

    benzocaine.


benzo- British  

combining form

  1. indicating a benzene ring fused to another ring in a polycyclic compound

    benzofuran

  2. indicating derivation from benzene or benzoic acid or the presence of phenyl groups

    benzophenone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of benzo1

By shortening

Origin of benzo-2

benz(ene) or benz(oic) + -o-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Doctors Loneliness; preventing Alzheimer’s; benzo epidemic; a child’s invention helps kids at the hospital.

From Los Angeles Times • Nov. 10, 2019

First, for those who objected to collectively referring to benzo and non-benzo sedatives and “not honoring the differences” between them, as Kathy from Hawaii said.

From New York Times • Jul. 30, 2014

Orange.—Congo orange, benzo orange, toluylene orange, mikado orange, brilliant orange, Columbia orange, diamine orange, pyramine orange, benzo fast orange.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

Green.—Benzo olive, Columbia green, benzo green, diamine green, direct green, diphenyl green, oxamine green, eboli green.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

Violet.—Hessian purple, Congo Corinth, heliotrope, Congo violet, diamine violet, Hessian violet, azo violet, benzo violet, violet black, diamine Bordeaux, chlorantine lilac, diphenyl violet, triazol violet, Columbia violet.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various