curdle

definition: to turn from a liquid to a solid mass
example: The blood curdled after a long exposure to air.
speech part: verb
synonyms:
definition: to go bad or sour
example: The milk curdled.
speech part: verb
synonyms:
definition: to turn into curds
example: curdled milk
speech part: verb
synonyms: clot

How curdle is being used?