lacmoid
noun
lac·moid
variants or less commonly lackmoid
ˈlakˌmȯid
plural -s
: a violet-blue dye resembling litmus that is made by the action of nitrites on resorcinol and is used as an indicator in titration
Word History
Etymology
lacmoid, International Scientific Vocabulary lacm- (from lacmus) + -oid; probably originally formed as German lakmoid; lackmoid, alteration of lacmoid