ace·​to-or·​ce·​in ˌa-sə-tō-ˈȯr-sē-ən How to pronounce aceto-orcein (audio)
: a biological stain consisting of orcein in solution with acetic acid
Root tips were obtained and stained with aceto-orcein, and root tip squashes were performed.A. Lane Rayburn et al., Crop Science, 27 Oct. 2005

Word History


aceto- + orcein

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of aceto-orcein was in 1949

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 aceto-orcein

Cite this Entry

“Aceto-orcein.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

Love words? Need even more definitions?

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