bonds

1.

a relationship between people or groups based on shared feelings, interests, or experiences.

:
there was a bond of understanding between them
2.

a connection between two surfaces or objects that have been joined together, especially by means of an adhesive substance, heat, or pressure.

:
there was no effective bond between the concrete and the steel
1.

join or be joined securely to something else, especially by means of an adhesive substance, heat, or pressure.

:
press the material to bond the layers together
2.

join or be joined by a chemical bond.

:
neutral molecules bond to the central atom