Definition of Jalap

1. n. The tubers of the Mexican plant Ipomœa 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 Ipomœa yield several inferior kinds of jalap, as the I. Orizabensis, and I. tuberosa.

Definition of Jalap

1. Noun. A cathartic drug consisting of the tuberous roots of ''Ipomoea purga'', a convolvulaceous plant found in Mexico. ¹

¹ Source: wiktionary.com

Definition of Jalap

1. a Mexican plant [n -S] : JALAPIC [adj]

Medical Definition of Jalap

1. 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. False jalap, the root of Mirabilis Jalapa, four-o'clock, or marvel of Peru. Origin: F, fr. Sp. Jalapa; so called from Jalapa, a town in Mexico, whence it was first obtained. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Jalap

jake paralysis
jaked
jakes
jakeses
jakey
jakeys
jakfruit
jakfruits
jakie
jakies
jako
jakob's disease
jakos
jaks
jakwood
jalap (current term)
jalap resin
jalapeno
jalapeno pepper
jalapenos
jalapic
jalapic acid
jalapin
jalapins
jalaps
jalfrezi
jalfrezis
jalop
jalopies
jaloppies

Literary usage of Jalap

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Cyclopaedia: A Popular Dictionary of General Knowledge by Charles Anderson Dana (1874)
"A whitish, mealy fracture may indicate that the root was collected at an improper season, or that a spurious root has been substituted. jalap has a heavy, ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1832)
"For example, the resin of jalap is soluble in alcohol, and insoluble in ether. It is dissolved cold in nitric acid without disengagement of nitrous gas; ..."

3. A Manual of Pharmacology and Its Applications to Therapeutics and Toxicology by Torald Hermann Sollmann (1922)
"Similar observations have been made with jalap on man: The gastric movements may be slightly ... jalap This is perhaps the mildest member of the group. ..."

4. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1913)
"... but differs in being insoluble in ether. It is an amorphous powder, mp 149°. jalap. Commercial jalap consists of the dried tubercules of ..."

5. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"Tha jalap plant has slender herbaceous twining stems, rith alternately-placed cordate acuminate leaves sharply pointed at the basal angles, ..."

6. Commercial Organic Analysis: A Treatise on the Properties, Proximate by Alfred Henry Allen, Henry Leffmann (1896)
"Much confusion exists as to the origin and nomenclature of jalap-resin and its allies. By English manufacturers and wholesale druggists ..."

7. Pharmaceutical Journal by Royal Pharmaceutical Society of Great Britain (1844)
"COMMERCIAL resin of jalap is rarely, if ever, obtained in a state of purity. ... If the alcoholic solution of resin of jalap contain guaiacum, ..."

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