plural noun

: a family of fungi (order Peronosporales) that produce whitish blisterlike conidial sori on certain flowering plants and that reproduce by forming conidia in chains within the sori or by producing oospores within the affected host tissue compare white rust

Word History


New Latin, from Albugin-, Albugo, type genus + -aceae

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of Albuginaceae was in 1899

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 Albuginaceae

Cite this Entry

“Albuginaceae.” Dictionary, Merriam-Webster, Accessed 27 May. 2024.

Love words? Need even more definitions?

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