nasogastric intubation. the flexible tube with a rounded end is passed through the nasal cavity to the stomach; the technique requires expert knowledge and care to avoid damage to the nasal conchae and mucosa and to avoid passing medicines or feed into the lungs.he flexible tube with a rounded end is passed through the nasal cavity to the stomach; the technique requires expert knowledge and care to avoid damage to the nasal conchae and mucosa and to avoid passing medicines or feed into the lungs.
â¢ ISM (noun). The noun ISM has 1 sense: 1. a belief (or system of beliefs) accepted as authoritative by some group or school. Familiarity information: ISM used as a noun is very rare.irondism (the doctrine of the Girondists). functionalism (any doctrine that stresses utility or purpose). formalism (the doctrine that formal structure rather than content is what should be represented). expansionism (the doctrine of expanding the territory or the economic influence of a country).
From Wikipedia, the free encyclopedia. -ism is a suffix in many English words, first usage, originally derived from Ancient Greek -Î¹ÏÎ¼ÏÏ (-ismos), reaching English through Latin, via French.he first recorded usage of the suffix ism as a separate word in its own right was in 1680. By the nineteenth century it was being used by Thomas Carlyle to signify a pre-packaged ideology.