Helianthin

He`liĀ·an'thin noun [ Prob. from Latin helianthes , or New Latin helianthus , sunflower, in allusion to its color.] (Chemistry) An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange .
Found on http://www.encyclo.co.uk/webster/H/27

Helianthin

• (n.) An artificial, orange dyestuff, analogous to tropaolin, and like it used as an indicator in alkalimetry; -- called also methyl orange.
Found on http://thinkexist.com/dictionary/meaning/helianthin/
No exact match found