Description of Backbone. Backbone: The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone. The backbone encloses the spinal cord and the fluid surrounding the spinal cord.Also called spine, spinal column, and vertebral column.Source: National Institute of Health. Backbone: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; the fall broke his back.ackbone: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; the fall broke his back.
DuPontâ¢ Krytox Â® oils and greases are high-performance perfluorinated lubricants used for a variety of applications. Used where temperatures commonly exceed 250Â°F or fall below 0Â°F.
Krypton fluoride is used in some lasers. Radioactive krypton was used during the Cold War to estimate Soviet nuclear production. The gas is a product of all nuclear reactors, so the Russian share was found by subtracting the amount that came from Western reactors from the total in the air.