shim

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shim

(shim),
In magnetic resonance imaging, fine adjustment of the magnetic field to improve uniformity.

shim

a thin tapered piece of material used to fill a gap.
A 5-item self-administered questionnaire about the penis’ functionality

shim

(shĭm) [Of uncertain origin]
In magnetic resonance imaging, a gradient magnetic field that is used to improve the homogeneity of the main magnetic field.