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tubocurarine

Upper-Intermediate (B2)

IPA: /ˌtjuːbəˈkjʊəˌriːn/

KK: /tubəˈkjuərən/

noun
Definition

A chemical substance derived from a South American vine, used primarily as a muscle relaxant and known for its toxic properties.


Example

Tubocurarine is often used in medical settings to induce muscle relaxation during surgery.


Conversation
Sloth A
Have you ever heard of tubocurarine?
Sloth B
Yeah, it’s that muscle relaxant from curare, right?
Sloth A
Exactly! I read that it comes from a South American vine.
Sloth B
That's fascinating! I didn't know it had such a unique source.

Synonyms & Antonyms
Synonyms
alkaloid
relaxant
toxin
Antonyms
stimulant
tonic
energizer
Root Explanation

Tubocurarine is formed from "tubo-" (from the Spanish word "tubo", meaning tube) and "curare" (from the indigenous South American word for a plant extract used as a poison). The word refers to a compound derived from a tube-like plant extract used in traditional medicine and as a muscle relaxant.

Memory Tip

Think of 'tubo-' as relating to a 'tube' and 'curare' as a poison from plants. This helps you remember that tubocurarine is a substance derived from a plant extract used for its muscle-relaxing properties.

Visually Confused Words
curarine
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