plural -s
: the outer primary meristem of a plant or plant part that according to the histogen theory gives rise to epidermis
: the outer apical meristem of a root tip

called also protoderm

Word History


International Scientific Vocabulary dermat- + -gen

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 dermatogen

Cite this Entry

“Dermatogen.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2023.

Love words? Need even more definitions?

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