scleroscope

noun

scle·​ro·​scope

ˈsklirəˌskōp,

-ler-

: a sclerometer devised especially for use with metals in which the height of rebound of a small standard object dropped from a fixed height onto the surface of a specimen is used as a measure of the hardness of the specimen

Word History

Etymology

from Scleroscope, a trademark

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