n.
1.any number of entities (members) considered as a unit
2.(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
3.a set that is closed, associative, has an identity element and every element has an inverse group v.
1.arrange into a group or groups
2.form a group or group together
Idiom of the Day
break in (someone or something) or break (someone or something) in
to train someone to do a job, to make something the right size or feel comfortable by wearing or using it
It took me a long time to break in my new shoes.