Definitions
break into simpler molecules by means of heat
Word origin
From Middle English crakken, craken, from Old English cracian (“to resound, crack”), from Proto-West Germanic *krakōn (“to crack, crackle, shriek”), ultimately from Proto-Indo-European *gerh₂- (“to resound, cry hoarsely”).
Used in a sentence
“It's been so dry, the ground is starting to crack.”
“When I tried to stand on the chair, it cracked.”
“Anyone would crack after being hounded like that.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“narrow opening”5 letters
02“Narrow split”5 letters
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