ultrananocrystalline

English

Etymology

ultra- +‎ nanocrystalline

Adjective

ultrananocrystalline (not comparable)

1. Having crystals less than nanoscale
   • 2016, Daniel M Kaplan, Ephraim Fischbach, Klaus Kirch, Derrick Mancini, James D Phillips, Thomas J Phillips, Robert D Reasenberg, Thomas J Roberts, Jeff Terry, “Antimatter gravity with muonium”, in arXiv‎^[1]:

     The precision three-grating interferometer can be produced in silicon nitride or ultrananocrystalline diamond using state-of-the-art nanofabrication.