An archipelago consisting of neighboring islands which are roughly aligned, as if chained one to the next.

plural of island chain

A raised platform or other protective barrier in the middle of a street crossing, allowing pedestrians to pause safely in the middle of the road.

A World Heritage island located along the southern coast of Queensland, Australia, approximately 300 kilometres north of Brisbane.

A small but well-populated island in the Thames Estuary which is connected by bridge to the mainland, and which is a town and civil parish with a town council in Castle Point borough, Essex, England.

A phantom island, now believed to have been a misidentified account of the Falkland Islands.

A small uninhabited island in the South Sandwich Islands.

A purported island, typically reported by sailors exploring a new region, that formerly appeared on maps but was later found not to exist.

(archaic) American Samoa

Synonym of orthosilicate