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We have one entry that includes the term 59.
iron-59
noun: a heavy radioisotope of iron that has a mass number of 59 and a half-life of 45.1 days, emits beta particles and gamma rays, and is used as a tracer in the study of iron metabolism
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- The business’s new computer system proved not to be a panacea.
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Merriam-Webster unabridged
