toluidine

noun

to·​lu·​i·​dine tə-ˈlü-ə-ˌdēn 

: any of three isomeric amino derivatives of toluene C₇H₉N that are analogous to aniline and are used as dye intermediates

Examples of toluidine in a Sentence

Recent Examples on the Web

Goodyear shipped both specimens to a lab to measure the amount of a chemical called ortho-toluidine. —Sharon Lerner, ProPublica, 15 Dec. 2022

And Goodyear, which uses ortho-toluidine to make its tires pliable, has been monitoring the air for traces of the chemical since 1976. —Sharon Lerner, ProPublica, 15 Dec. 2022

DuPont, which had supplied ortho-toluidine to the Goodyear plant since 1957, had just that kind of information back in 1993. —Sharon Lerner, ProPublica, 15 Dec. 2022

Names like toluidine toner, byaku gunjo, madder lake, maple soot, and dragon’s blood (speaking of Hogwarts) are as beautiful as the pigments that bear them. —Mark Feeney, BostonGlobe.com, 15 Mar. 2018

Word History

Etymology

International Scientific Vocabulary

First Known Use

1850, in the meaning defined above

Phrases Containing toluidine

• toluidine blue

Medical Definition

toluidine

noun

to·​lu·​idine tə-ˈlü-ə-ˌdēn 

: any of three isomeric amino derivatives of toluene C₇H₉N that are analogous to aniline and are used as dye intermediates