英和和英

語源

From micro- +‎ crack.

名詞

microcrack (plural microcracks)

1. A microscopic crack.

動詞

microcrack (third-person singular simple present microcracks, present participle microcracking, simple past and past participle microcracked)

1. To cause the formation of microscopic cracks.
   • 1996, E.M. Winkler, “Properties of marble as building veneer”, in International Journal of Rock Mechanics and Mining, volume 33, number 2, →DOI:

     Granitic rocks are microcracked by differential contraction during cooling of the magma.

参考

• microfault
• microfracture