From micro- + fadeometer. <span class="searchmatch">microfadeometer</span> (plural <span class="searchmatch">microfadeometers</span>) A device which focuses a bright light on a small part of a painting in order to measure...
<span class="searchmatch">microfadeometers</span> plural of <span class="searchmatch">microfadeometer</span>...
+ -meter. fadeometer (plural fadeometers) A device that measures the degree to which an ink sample will fade when exposed to light. <span class="searchmatch">microfadeometer</span>...