azo dye

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noun Chemistry.

any of a large class of dyes containing one or more azo groups.

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Origin of azo dye

First recorded in 1880–85

Words nearby azo dye

azlon, Azmacort, Aznar, azo, azobenzene, azo dye, azo group, azoic, azoic dye, azoimide, azole

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use azo dye in a sentence

In an organic binder like animal glue, and used with azo dyes, TiO2 turns into a photoreactive destroyer of all things colorful.
How These Rothkos Were Restored Without Touching the Canvas|Adam Rogers|May 30, 2021|The Daily Beast
They dye their hair and alter their clothes, but not enough to attract attention from authorities.
North Korea’s Secret Movie Bootleggers: How Western Films Make It Into the Hermit Kingdom|Lizzie Crocker|December 22, 2014|DAILY BEAST
Spilling from the old vehicle were hippies of all eras decked out in tie-dye and top hats bejeweled with feathers and beads.
On the Road With Kesey's (Drug-Free) Acid Test|Nina Strochlic|August 27, 2014|DAILY BEAST
The fringes of the scarf lead to a collection of kitsch photos colored in purple dye.
Shining a Spotlight on Mexico’s Iconic Textile—the Rebozo|Liza Foreman|June 16, 2014|DAILY BEAST

When John entertained he would fill the bath with ice and sprinkle blue food dye all over it.
When Downtown Was Cool: Mario Batali, Simon Doonan, Wynton Marsalis Remember the Good Old Days|The Daily Beast|April 10, 2014|DAILY BEAST
Fame came only after Cohn pressured her to diet, dye her hair, cap her teeth, and change her name.
Should We Give Kim Novak a Break on the Oscar Plastic Surgery Hate-Tweeting?|Lizzie Crocker|March 6, 2014|DAILY BEAST
Almost thrusting mademoiselle aside, Garnache stood out to face him, the flush of hot anger showing through the dye on his cheeks.
St. Martin's Summer|Rafael Sabatini
No; keepe emFor your owne sins, you Rogues, till you repent: Youll dye else and be damnd.
The Fatal Dowry|Philip Massinger
Ile dye first.Farewell, continue merry, and high HeauenKeepe your wife chaste.
The Fatal Dowry|Philip Massinger
In some cases the mordant is added to the dye liquid; in others the material is previously treated with it before being colored.
Philippine Mats|Hugo H. Miller
The plant bears burs containing many small reddish seeds, from the pulp of which the dye is obtained.
Philippine Mats|Hugo H. Miller

British Dictionary definitions for azo dye

azo dye

noun

any of a class of artificial dyes that contain the azo group. They are usually red, brown, or yellow and are obtained from aromatic amines

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