thin section

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thin section

A slice of an object or substance that can be viewed under a microscope. Where is the thin section of that mineral specimen? I want to take a look at it under the microscope.
See also: section, thin
References in periodicals archive ?
2 has a central hub that is isolated within a thin section. A side riser probably would not be sufficient to feed the central section of the wheel so a top riser on the hub would have to be used.
A thin section from the runners to the risers allows metal to also enter the casting from above, compensating for the reduction in cavity-fill rate experienced with bottom-filling as back-pressure builds.