whey

Noun
  1. The serum or watery part of milk that is separated from the curd in making cheese (synset 115122145)
    is a type of: blood serum, serum - an amber, watery fluid, rich in proteins, that separates out when blood coagulates
    same as: milk whey
  2. Watery part of milk produced when raw milk sours and coagulates (synset 107865709)
    "Little Miss Muffet sat on a tuffet eating some curds and whey"
    is a type of: dairy product - milk and butter and cheese

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