To save this word, you'll need to log in.
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:
Share biological race
biological oxygen demand
Cite this Entry
“Biological race.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological%20race. Accessed 20 Sep. 2020.
Comments on biological race
What made you want to look up biological race? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Words from the week of 9/18/2020
Is it any clearer now?
For when you need it there quickly
All your favorite pet peeves
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
More/moor than/then two/too/to.
All right, it's time for a puppy quiz.
Build a city of skyscrapers—one synonym at a time.