Dioxin - Definitions from Dictionary.com

6 results for: Dioxin

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

di·ox·in

Audio Help [dahy-ok-sin] Pronunciation Key

–noun Chemistry.

a general name for a family of chlorinated hydrocarbons, C₁₂H₄Cl₄O₂, typically used to refer to one isomer, TCDD, a by-product of pesticide manufacture: a toxic compound that is carcinogenic and teratogenic in certain animals.

Also called TCDD

Compare Agent Orange.

[Origin: 1965–70; di-¹ + ox- + -in²

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Dioxin

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American Heritage Dictionary - Cite This Source - Share This

di·ox·in Audio Help (dī-ŏk'sĭn) Pronunciation Key
n. Any of several carcinogenic or teratogenic heterocyclic hydrocarbons that occur as impurities in petroleum-derived herbicides.

[di-¹ + ox(o)- + -in.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
dioxin

1919, from dioxy- + chemical suffix -in. All the compounds in the group are characterized by two oxygen atoms.

WordNet - Cite This Source - Share This

dioxin
noun
any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides

The American Heritage Science Dictionary - Cite This Source - Share This

dioxin Audio Help (dī-ŏk'sĭn) Pronunciation Key
Any of several toxic hydrocarbons that occur as impurities in petroleum-derived herbicides, disinfectants, and other products. Dioxins are composed of two benzene rings connected by two oxygen atoms, and the most familiar kind, called TCDD, has two chlorine atoms attached to each benzene ring. TCDD was once thought to cause cancer and birth defects, but subsequent research showed it to have only mild toxic effects except at very high exposure levels.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
dioxin [(deye-ok-sin)]

A group of pollutants created as by-products in many industrial processes. Dioxins accumulate in human tissue and affect human metabolism. They are carcinogens. Eliminating dioxins is an important goal of environmental policy.

[Chapter:] Life Sciences

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