From micro- + grating. <span class="searchmatch">micrograting</span> (plural <span class="searchmatch">microgratings</span>) A diffraction grating whose lines are very close together...
<span class="searchmatch">microgratings</span> plural of <span class="searchmatch">micrograting</span>...
grating vocals Abrasive; tending to annoy. gratingly gratingness grism <span class="searchmatch">micrograting</span> nanograting supergrating ungrating harsh and unpleasant grating (plural...