About Normal Pressure Hydrocephalus. Normal pressure hydrocephalus occurs when excess cerebrospinal fluid accumulates in the brain's ventricles, which are hollow fluid-filled chambers. NPH is called normal pressure because despite the excess fluid, cerebrospinal fluid pressure as measured during a spinal tap is often normal.
â¢ ART DECO (noun). The noun ART DECO has 1 sense: 1. a style of design that was popular in the 1920s and 1930s; marked by stylized forms and geometric designs adapted to mass production. Familiarity information: ART DECO used as a noun is very rare. ART DECO (noun). The noun ART DECO has 1 sense: 1. a style of design that was popular in the 1920s and 1930s; marked by stylized forms and geometric designs adapted to mass production. Familiarity information: ART DECO used as a noun is very rare.
A cipher (pronounced SAI-fuhr) is any method of encrypting text (concealing its readability and meaning). It is also sometimes used to refer to the encrypted text message itself although here the term ciphertext is preferred.