Merriam-Webster Logo
SINCE 1828
Menu
×

vicinal

adjective vic·i·nal \ ˈvi-sə-nəl , ˈvis-nəl \

Definition of vicinal

1 : of or relating to a limited district : local
2 : of, relating to, or substituted in adjacent sites in a molecule
  • a vicinal disulfide group

Origin and Etymology of vicinal

Latin vicinalis, from vicinus neighbor, from vicinus, adjective, neighboring

Seen and Heard

What made you want to look up vicinal? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games