Beyond the portcullis, a flat pane of ice faced them.

A window would need a flat pane of glass which would cost more money to buy and install - a drinks bottle is free and re-using it represents a small reduction in waste.

There are two kinds of force fields, one that is projected as a flat pane from emitters around the edges, and one that surrounds the ship like a bubble.

Sunglasses, in the form of flat panes of smoky quartz, were used in China in the 12th century.

The Philadelphia design featured four flat panes of glass, topped by a funnel, presumably to let the smoke rise into the air.

Two had been replaced with ordinary flat panes, and cardboard had been taped over the fourth.

The P.111 initially had a one piece blown and continuously curved windscreen, but this was replaced by a more conventional framed screen with a flat forward pane.

First: a group of human statuettes, some seated, some standing, all staring with great intensity at a flat pane of clear glass.

Sunglasses made from flat panes of smoky quartz, which offered no corrective powers but did protect the eyes from glare were used in China in the 12th century or possibly earlier.

In the heat, the muddy water of the Bayou Teche moves so slow it seems not to move at all, like a flat pane of murky glass.