noun
The action or an act of removing or taking something away; (Law) the making ineffective of a specific bequest in a will by the sale or disposal of the property specifically bequeathed before the death of the testator.
Origin
Late 16th century; earliest use found in Henry Swinburne (c1551–1624), ecclesiastical lawyer. From classical Latin ademptiōn-, ademptiō act of taking away, deprivation, removal from adempt-, past participial stem of adimere + -iō. Compare French ademption. Compare adempt, and earlier adempt, adempted.
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