1883, in the meaning defined above
unidirectional
unidirectional current
unidirectivity
“Unidirectional current.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unidirectional%20current. Accessed 15 Dec. 2024.
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