Barrier facts for kids
A barrier is something which divides an area. It often prevents things from traveling from one side to the other.
Barrier may also refer to:
- Breakwater (structure), a barrier on a coast to protect a harbour from ocean currents and waves
- Defensive wall, built to protect against an attack
- Blood–brain barrier, a separation of circulating blood and the brain extracellular fluid
- Barrier reef, a type of coral reef running along a coast
Barrier Facts for Kids. Kiddle Encyclopedia.