• WordNet 3.6
    • v saponify convert into soap by hydrolizing an ester into an acid and alcohol as a result of treating it with an alkali "saponify oils and fats"
    • v saponify become converted into soap by being hydrolized into an acid and alcohol as a result of being treated with an alkali "the oil saponified"
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Webster's Revised Unabridged Dictionary
    • v. t Saponify To convert into soap, as tallow or any fat; hence Chem, to subject to any similar process, as that which ethereal salts undergo in decomposition; as, to saponify ethyl acetate.
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Century Dictionary and Cyclopedia
    • saponify To convert into soap by combination with an alkali.
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Chambers's Twentieth Century Dictionary
    • v.t Saponify to convert into soap:—pr.p. sapon′ifying; pa.p. sapon′ified
    • ***


Webster's Revised Unabridged Dictionary
L. sapo, -onis, soap + -fy,: cf. F. saponifier,
Chambers's Twentieth Century Dictionary
L. sapo, saponis, soap.


In literature:

It was then necessary to separate the glycerine from the fat by saponifying it.
"The Mysterious Island" by Jules Verne
It does not readily saponify, separates quickly, and it is almost impossible to unite when separated.
"Scientific American Supplement No. 360, November 25, 1882" by Various
This also gives a sulphur reaction when saponified, while it resembles castor oil by its solubility in alcohol.
"Scientific American Supplement, No. 392, July 7, 1883" by Various
The original wool oil was saponified by boiling with alcoholic potash.
"Scientific American Supplement, No. 497, July 11, 1885" by Various
The quantity of potassic hydrate required to saponify one gramme or 15 grains of pure beeswax varies from 97 to 107 milligrammes.
"Scientific American Supplement, No. 443, June 28, 1884" by Various
The chief aim of the refiner is to remove these impurities without saponifying any of the neutral oil.
"The Handbook of Soap Manufacture" by W. H. Simmons
They saponify, you know.
"From Sea to Sea" by Rudyard Kipling
The tallow and grease are first saponified as usual, then the cocoanut oil is pumped and saponified.
"Soap-Making Manual" by E. G. Thomssen
Scaling and peeling due to lack of binder and use of saponifiable oil resulted during the first six months' exposure.
"Paint Technology and Tests" by Henry A. Gardner
It is saponified by alkalies, with reproduction of soluble gum.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6" by Various
During the liming, the natural grease of the hide is saponified or emulsified, which prepares for its removal in scudding.
"Animal Proteins" by Hugh Garner Bennett