noun sem·per·virine

Definition of sempervirine



  1. :  a crystalline alkaloid C19H16N2 obtained from the yellow jessamine shrub

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of sempervirine

International Scientific Vocabulary sempervir- (from New Latin sempervirens —specific epithet of the woody vine Gelsemium sempervirens —, from sempervirent-, sempervirens evergreen) + -ine

Seen and Heard

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


to criticize severely

Get Word of the Day daily email!