: a form genus based on fossil stems of Carboniferous age that are intermediate in structure between those typical of the Lepidodendraceae and the Sigillariaceae

Word History


New Latin, from Georg W. Knorr †1761 German collector of petrified objects + New Latin -ia

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 Knorria

Cite this Entry

“Knorria.” Dictionary, Merriam-Webster, Accessed 28 May. 2023.

Love words? Need even more definitions?

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