any number of entities (members) considered as a unit | a group of people living in a particular local area |
a set that is closed, associative, has an identity element and every element has an inverse | (ecology) a group of interdependent organisms inhabiting the same region and interacting with each other |
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule | a group of people having a religion, ethnic, profession, or other particular characteristic in common |
| a group of nations having common interests |
| a district where people live; occupied primarily by private residences |
| common ownership |
| agreement as to goals |