antithetic theory


Definition of antithetic theory

  1. :  a theory in botany: the sporophyte and gametophyte are basically distinct with the gametophyte representing the primitive ancestral phase and the sporophyte being a new structure resulting from increasingly retarded zygotic reduction — compare homologous theory

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 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 antithetic theory? Please tell us where you read or heard it (including the quote, if possible).


to help become familiar with something

Get Word of the Day daily email!