grid

grid
1. A chart with horizontal and perpendicular lines for plotting curves. 2. In x-ray imaging, a device formed of lead or aluminum strips for preventing scattered radiation from reaching the x-ray film. [M.E. gridel, fr. L. craticula, lattice]
- Amsler g. SYN: Amsler chart.
- focused g. a g. (2) in which the divergent beam of x-rays from a particular distance range will be parallel to the lead strips.
- Wetzel g. chart of growth, plotting height, weight, physical fitness and related aspects of young and adolescent children during growth.
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gay-related immunodeficiency [syndrome]

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(grid) 1. an arrangement of thin lead strips separated by a radiolucent medium; used to reduce the amount of scattered radiation reaching the x-ray film. 2. a chart with horizontal and perpendicular lines for plotting curves.

Medical dictionary. 2011.

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  • grid — [ grıd ] noun count ** 1. ) a pattern of straight lines that cross each other to form squares: streets laid out on a grid pattern Each spreadsheet page is made up of a grid of columns and rows. a ) a pattern of straight lines that form squares on …   Usage of the words and phrases in modern English

  • Grid — (gr[i^]d), n. 1. A grating of thin parallel bars, similar to a gridiron. [1913 Webster] 2. (Elec.) A plate or sheet of lead with perforations, or other irregularities of surface, by which the active material of a secondary battery or accumulator… …   The Collaborative International Dictionary of English

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