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1. (n.) jalap
the dried tuberous root of any of several plants, esp. Exogonium purga, of the morning glory family, or the powder derived from it, used in medicine chiefly as a purgative.
2. jalap
any of these plants.
Etymology: (1665–75; < MF < Sp (purga de) Jalapa purgative from Jalapa)
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| Definition of 'jalap' |
Webster Dictionary |
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1. (noun) jalap
the tubers of the Mexican plant Ipomoea purga (or Exogonium purga), a climber much like the morning-glory. The abstract, extract, and powder, prepared from the tubers, are well known purgative medicines. Other species of Ipomoea yield several inferior kinds of jalap, as the I. Orizabensis, and I. tuberosa
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