The story
Originally a trade name.
Etymology from Wiktionary, CC BY-SA 4.0.
lacmoid
Today it means: A purplish dye made from resorcinol, employed as an indicator, being turned blue by alkalis and red by acids. Full definition →
Today it means: A purplish dye made from resorcinol, employed as an indicator, being turned blue by alkalis and red by acids. Full definition →
Originally a trade name.
Etymology from Wiktionary, CC BY-SA 4.0.