"There is one bright spot there at the back, at the beginning of life, and afterwards all becomes blacker and blacker and proceeds more and more rapidly — in inverse ration to the square of the distance from death," thought Ivan Ilych.
There are no more uses of "ration" in the book.
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Gasoline was rationed during the 1970s oil embargo.
During the Second World War, most commodities were rationed, so more resources could be devoted to the war effort.