curdled
Concise Oxford English Dictionary © 2008 Oxford University Press:
curdle/ˈkɜːdl/
▶verb (with reference to a liquid) separate or cause to separate into solid and liquid parts.
– phrases
make one's blood curdle fill one with horror.
make one's blood curdle fill one with horror.
– derivatives
curdler noun.
curdler noun.
– origin C16: frequentative of obs. curd ‘congeal’.
'curdled' also found in these Oxford entries:

