Medical Definition of group
1: a number of individuals assembled together or having some unifying relationship
2a: an assemblage of related organisms—often used to avoid taxonomic connotations when the kind or degree of relationship is not clearly definedb: an assemblage of atoms forming part of a molecule; especially : functional group: an assemblage of elements forming one of the vertical columns of the periodic table
Learn More about group
Seen and Heard
What made you want to look up group? Please tell us where you read or heard it (including the quote, if possible).