C3O1N1F4O1C3A1L1
15 points
CONFOCAL is validvalid
having the same focus or foci [adj] : CONFOCALLY [adv]
of a type of microscope, having the same focus [adj CONFOCALLY]
having the same focus or foci [adj] : CONFOCALLY [adv]
of a type of microscope, having the same focus [adj CONFOCALLY]