темноватый
subobscurus [a, um];
опись
descriptio [onis, f];
тугоплавкий
difficiliter fusibilis [e];
incalescere [o, calui, -];
calefieri [fio, factus sum];
concalescere [o, calui, -];
incalзre [eo, ui, -];
trahere [o, xi, ctum] calorem;
tepescere [o, pui, -] (maria tepescunt);