plural -s
: a dark maroon crystalline phenolic pigment C15H10O5 derived from anthraquinone and formed by the action of certain molds (as Helminthosporium gramineum) on sugar

Word History


New Latin, Helminthosporium + English -in

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near helminthosporin

Cite this Entry

“Helminthosporin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/helminthosporin. Accessed 4 Dec. 2023.

Love words? Need even more definitions?

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