Definition of counterselection
: selection opposed in its effects to natural selection: such as a : preservation of less well-adapted individuals : dysgenic selection b : selection in plant or animal breeding against a quality undesirable from the point of view of the breeder though likely to be retained in a state of nature counterselection against low milk production in cattle
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!
Origin and Etymology of counterselection
counter- + selection
Seen and Heard
What made you want to look up counterselection? Please tell us where you read or heard it (including the quote, if possible).