1859, in the meaning defined above
rational fraction
rational function
rational horizon
“Rational function.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rational%20function. Accessed 15 Nov. 2024.
Britannica.com: Encyclopedia article about rational function
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!
Share