protocorm theory
noun
Definition of protocorm theory
: a theory in botany: the sporophyte of a vascular plant is derived from a transition form comparable to the protocorm of some club mosses — compare cauloid theory
Indulge Your Inner Word Nerd
There's more!
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!
Seen and Heard
What made you want to look up protocorm theory? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!