pillow structure


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pillow structure

[′pil·ō ‚strək·chər]
(geology)
A primary sedimentary structure that resembles a pillow in size and shape. Also known as mammillary structure.
(petrology)
A pillow-shaped structure visible in some extrusive lavas attributed to the congealment of lava under water.
References in periodicals archive ?
Stuff your pillow using your existing pillow structure or store-bought or handmade pillow insert and enjoy!
The building, designed by Architekturburo Jaschek, has three V-shaped atria roofed with pneumatic pillow structures and enclosed on their south sides by glass facades held in place by delicate wire-rope cable structures.