screen (redirected from fast screen)

screen (skrēn)

1. a structure resembling a curtain or partition, used as a protection or shield, e.g., against excessive radiation exposure.

2. a large flat surface upon which light rays are projected.

3. protective (2).

4. to examine by fluoroscopy (Great Britain).

5. to separate well individuals in a population from those with an undiagnosed pathologic condition by means of tests, examinations, or other procedures.

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skin screen  a substance applied to the skin to protect it from the sun's rays or other noxious agents.

solar screen , sun screen sunscreen.

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screen (skrn)

n.

1. One that serves to protect, conceal, or divide.

2. The white or silver surface on which a picture is projected for viewing.

3. A screen memory.

v.

1. To process a group of people in order to select or separate certain individuals from it.

2. To test or examine for the presence of disease or infection.

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screen,

n initial examination to determine the existence of a disease or disorder.

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screen

1. a framework or agent used as a shield or protector.

2. to examine.

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fast screen

permits big reduction in exposure to x-ray beam.

screen film

prepared to be used with intensifying screens. The standard film and marketed as being of standard, fast or ultrafast speeds.

rare-earth screen

see rare-earth intensifying screen.

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screen

Public health 1. Any systematic activity–eg, measuring BP, glucose or cholesterol, pap smear, or other activity, which attempts to identify a particular disease in persons in a particular population. See Drug screen, General health screen, Laxative screen, Memory Impairment screen, Metabolic screen, Neonatal screen.2. A solar protection barrier. See Sunscreen.