English Explanatory Dictionary

microstrain

English dictionary entry

Meanings

noun
  1. A strain expressed in terms of parts per million.
  2. The root mean square of the variations in the lattice parameters across the individual crystallites, usually across microscopic distances, <ϵ²>^(1/2). By definition, it cannot be negative. In contrast, macrostrain refers to the overall change in the lattice parameters caused by a composition change or temperature change or pressure change.

Word forms

microstrain microstrains

Etymology

From micro- + strain.

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