hardening
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(hard′ĕn-ing, ′ning)

1. Rendering a pathological or histological specimen firm or compact, for making thin sections for microscopic study.
2. The development of increased resistance to extremes of environmental temperature.
SEE: acclimation
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(hard′ĕn-ing, ′ning)

1. Rendering a pathological or histological specimen firm or compact, for making thin sections for microscopic study.
2. The development of increased resistance to extremes of environmental temperature.
SEE: acclimation
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