cinchonidine: meaning, definition, pronunciation and examples

C2+ / Very Rare / Specialist
UK/sɪŋˈkɒnɪdiːn/US/sɪnˈkɑːnɪdiːn/

Exclusively technical/scientific (medical, pharmacological, historical chemistry)

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Quick answer

What does “cinchonidine” mean?

A naturally occurring alkaloid compound, an isomer of cinchonine, derived from cinchona bark and used as a less common antimalarial agent.

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Pronunciation

Definition

Meaning and Definition

A naturally occurring alkaloid compound, an isomer of cinchonine, derived from cinchona bark and used as a less common antimalarial agent.

A white crystalline alkaloid (C19H22N2O) found in cinchona bark, used in medicine, particularly in historical treatments for malaria, and as a reagent in chemistry.

Dialectal Variation

British vs American Usage

Differences

No lexical or semantic differences; identical in technical usage across all English varieties.

Connotations

None beyond its scientific referent.

Frequency

Extremely rare and confined to highly specialised texts in both varieties. Likely encountered only in historical pharmacological contexts or specialised organic chemistry.

Grammar

How to Use “cinchonidine” in a Sentence

The bark contains ~They isolated ~~ is an isomer of cinchonine~ was used to treat malaria

Vocabulary

Collocations

strong
alkaloid cinchonidinecinchonidine sulphateextract cinchonidine
medium
pure cinchonidineisolated cinchonidinecinchonidine content
weak
crystalline cinchonidineoptical isomer cinchonidinederived cinchonidine

Usage

Meaning in Context

Business

Not used.

Academic

Used in historical medical texts, pharmacology papers, and organic chemistry research on alkaloids.

Everyday

Never used.

Technical

Primary context. Refers to a specific chemical compound with historical medicinal applications.

Vocabulary

Synonyms of “cinchonidine”

Strong

(D)-cinchonidine

Weak

cinchona alkaloidquinoline alkaloid

Watch out

Common Mistakes When Using “cinchonidine”

  • Mispronunciation: incorrect stress (e.g., 'CIN-chon-i-dine').
  • Misspelling: 'cinchonadine', 'cinchonodine'.
  • Confusion with the more common 'cinchonine' or 'quinine'.

FAQ

Frequently Asked Questions

No. Both are alkaloids derived from cinchona bark, but they are distinct chemical compounds with different structures and properties. Quinine is more famous and widely used.

Its primary modern use is in specialised chemical research, particularly as a chiral reagent or ligand in asymmetric synthesis. Its medical use is historical.

In British English: /sɪŋˈkɒnɪdiːn/ (sing-KON-i-deen). In American English: /sɪnˈkɑːnɪdiːn/ (sin-KAH-ni-deen).

You would only encounter it in very specialised contexts: historical medical texts, advanced organic chemistry literature, or detailed pharmacological studies on cinchona alkaloids.

A naturally occurring alkaloid compound, an isomer of cinchonine, derived from cinchona bark and used as a less common antimalarial agent.

Cinchonidine is usually exclusively technical/scientific (medical, pharmacological, historical chemistry) in register.

Learning

Memory Aids

Mnemonic

Think of CINCHONA bark, where it's found, and the chemical suffix '-IDINE' common for alkaloids (like quinine). 'Cinchon-IDINE from the bark'.

Conceptual Metaphor

N/A (Literal chemical entity)

Practice

Quiz

Fill in the gap
The 19th-century pharmacopoeia listed as a febrifuge, though it was less favoured than quinine.
Multiple Choice

Cinchonidine is best described as:

Practise

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