jalapin
Extremely Rare / ObsoleteTechnical (Historical Pharmacology, Botany, Chemistry)
Definition
Meaning
A toxic glycoside resin obtained from the jalap plant, used historically as a purgative.
Refers specifically to the active cathartic principle found in the roots of certain Convolvulaceae plants, notably Ipomoea purga.
Linguistics
Semantic Notes
The term is almost exclusively found in historical medical or botanical texts from the 19th and early 20th centuries. It refers to a specific chemical compound and should not be confused with the common name 'jalap' for the plant or its root.
Dialectal Variation
British vs American Usage
Differences
No significant regional differences in usage. The term is equally archaic in both varieties.
Connotations
Historical, pharmacological, botanical.
Frequency
Not used in contemporary English in either region. Found only in specialized historical contexts.
Vocabulary
Collocations
Grammar
Valency Patterns
Jalapin was used [as a purgative].The tincture contained [a significant quantity of] jalapin.The effects were attributed to [the presence of] jalapin.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “None”
Usage
Context Usage
Business
Not used.
Academic
Possible in historical studies of medicine or phytochemistry.
Everyday
Not used.
Technical
Used in historical pharmacology, botany, and chemistry texts to denote a specific resinous glycoside.
Examples
By Part of Speech
verb
British English
- None
American English
- None
adverb
British English
- None
American English
- None
adjective
British English
- None
American English
- None
Examples
By CEFR Level
- (Not applicable for this word.)
- (Not applicable for this word.)
- Old medical books sometimes mention jalapin as a powerful purgative.
- The pharmacist analyzed the root and identified the presence of jalapin.
- The therapeutic action of the jalap root was primarily ascribed to its resinous component, jalapin.
- Nineteenth-century pharmacopoeias detailed methods for isolating jalapin from the crude drug.
Learning
Memory Aids
Mnemonic
Jalap-in: Think of it as the active ingredient 'in' the Jalap plant.
Conceptual Metaphor
POTENT SUBSTANCE IS A KEY (to purgative effects).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with жгучий перец (hot pepper). This is a specific historical chemical term, not a food item. It would likely be транслитерировано as 'джалапин' or described as 'гликозид джалапы'.
Common Mistakes
- Using it as a common noun. Confusing it with 'jalapeño' pepper. Assuming it is a modern term.
Practice
Quiz
Jalapin is best described as:
FAQ
Frequently Asked Questions
No. Jalapin comes from the jalap plant (Ipomoea purga), a medicinal vine. Jalapeño peppers come from a species of Capsicum pepper plant. The similarity in names is coincidental and historical.
No. Jalapin is an obsolete pharmaceutical compound. The jalap plant's use as a purgative has been replaced by safer, more modern drugs.
It functions exclusively as a noun, referring to the specific chemical substance.
You would only encounter it when reading primary historical sources on medicine, botany, or chemistry from the 1800s or early 1900s, or in academic analyses of such texts.