helianthin

noun
he·​li·​an·​thin | \ -ˈan-thən How to pronounce helianthin (audio) \

Medical Definition of helianthin

: methyl orange also : a red compound C14H15N3O3S of quinone structure obtained by acidifying methyl orange

Comments on helianthin

What made you want to look up helianthin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a period when something is suspended

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!