From Wiktionary, the free dictionary

From micro- +‎ interlocking.

microinterlocking (not comparable)

1. That interlock on a microscopic scale

microinterlocking (uncountable)

1. A microscopic interlocking structure

   • 2015 August 25, “Effects of Acid Treatment on Dental Zirconia: An In Vitro Study”, in PLOS ONE‎^[1], →DOI:

     Hot acid etching has been attempted to achieve microinterlocking and improve the bond between resin and Y-TZP. This includes etching with HCl/Fe 2 Cl 3 solution at 100°C, HF acid at 100°C, and nitric acid or sulfuric acid [8 ].