To change the form of; to reduce from any form.(verb)
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Use "unmould" in a sentence
"A cup of yogurt made for a tender, more cakey than bread-like crumb and a loaf so moist that when I initially tried to unmould it, it folded in half!"
"The result was exactly what I was going for - a moist, yet sturdy crumb, a flat top and it didn't self-destruct when I went to unmould it!"
"To unmould, run a palette knife around the edge and turn out on to a plate."