Definition of microcracking in English:

microcracking

Pronunciation /ˈmʌɪkrə(ʊ)ˌkrakɪŋ/

noun

Metallurgy Geology
  • The state of having microcracks; the formation of microcracks.

Origin

1950s; earliest use found in Welding Research. From micro- + cracking, after microcrack.