Commentary: any number of entities considered as a unit
Examples:
A large group walked in.
The whole group of stuffed animals were piled on the bed.
Fido's favorite musical group is called 'Cats Stink'.
Mappings:
WordNet 2.0 Sense Numbers: 1
Commentary: radical - two or more atoms bound together as a single unit and forming part of a molecule
Examples:
Chlorine is in a chemical group called halogens.
Mappings:
WordNet 2.0 Sense Numbers: 2
Commentary: a set that is closed, associative, has an identity element and every element has an inverse
Examples:
The group in problem five includes the numbers 7, 3, and 5.
Mappings:
WordNet 2.0 Sense Numbers: 3