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Compound of food +‎ grade. Originally US.[1]


food-grade (not comparable)

  1. Suitable for human or animal food.
    food-grade rice starch
    • 1997, A. Nussinovitch, Hydrocolloid Applications: Gum Technology in the Food and Other Industries[1], page 65:
      Kelcogel food-grade gellan gum is described for special uses in the food industry.
  2. Permitted to be used with or to contact food; safe for use with or around food.
    food-grade plastic
    • 2011, Sibtain Hamid, “Food-grade hydraulic fluids”, in George Totten, editor, Handbook of Hydraulic Fluid Technology, second edition, page 915:
      Food-grade lubricants are made for meat and poultry and other food-processing equipment. These lubricants are generally registered with the National Sanitary Foundation (NSF).

See also[edit]


  1. ^ food, n.”, in OED Online Paid subscription required, Oxford: Oxford University Press, December 2008.