metanilic acid
noun
met·a·nil·ic acid
¦metə¦nilik-
: a crystalline sulfonic acid H2NC6H4SO3H that is isomeric with sulfanilic acid, is made by sulfonating nitrobenzene and then reducing, and is used as an intermediate for azo dyes; meta -amino-benzenesulfonic acid
Word History
Etymology
International Scientific Vocabulary meta- + sulfanilic acid