1 entry 1 source
Helianthin
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange.
1 entry 1 source
Part of speech: noun (n.)
An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange.