Psilotaceae

plural noun

Psi·​lo·​ta·​ce·​ae
ˌsīlōˈtāsēˌē
: a family of plants that are usually placed in order Psilotales and are characterized by nearly naked stems, minute scalelike leaves, and 2- or 3-celled sporangia compare psilotum , tmesipteris
psilotaceous
¦⸗⸗¦tāshəs
adjective

Word History

Etymology

New Latin, from Psilotum, type genus + -aceae

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near Psilotaceae

Cite this Entry

“Psilotaceae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Psilotaceae. Accessed 17 Dec. 2024.

Love words? Need even more definitions?

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