Slowly Cooling Hot Glass Objects
This page is the CodyCross answer for the clue below from African grasslands, Group 1542, Puzzle 1 (Natural Camouflage).
Question is: Slowly Cooling Hot Glass Objects
and the answer is: ANNEALING
Word Meaning:
ANNEALING — The heating of solid metal or glass to high temperatures and cooling it slowly so that its particles arrange into a defined lattice to remove residual stress.
Definitions from Wiktionary.