: 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 WebNames 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
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'toluidine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.