Serving to extend or lengthen; characterized by extension.
Having a combined system entropy that equals the sum of the entropies of the independent systems.
Having a great extent; covering a large area; vast.
Considerable in amount.
To move like a jellyfish.
To cover or protect, as if by an umbrella.
To form the dome shape of an open umbrella.
Something that covers a wide range of concepts, purposes, groups, etc.
The main body of a jellyfish, excluding the tentacles.
A cloth-covered frame used for protection against rain or sun.
Generally, anything that provides protection.
An umbrella-shaped reflector with a white or silvery inner surface, used to diffuse a nearby light.