coumarin

American  

[koo-muh-rin] / ˈku mə rɪn /

Or cumarin

noun

1. a fragrant crystalline substance, C 9 H 6 O 2 , obtained from the tonka bean, sweet clover, and certain other plants or prepared synthetically, used chiefly in soaps and perfumery.

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coumarin British  

/ ˈkuːmərɪn /

noun

1. a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C 9 H 6 O 2

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coumarin Scientific  

/ ko̅o̅′mər-ĭn /

1. A fragrant crystalline compound extracted from several plants, such as tonka beans and sweet clover, or produced synthetically. Coumarin and its derivatives are widely used in perfumes, as anticoagulants, and as rodenticides. Chemical formula: C ₉ H ₆ O ₂ .

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Other Word Forms

• coumaric
  adjective

Etymology

Origin of coumarin

1820–30; < French coumarine, equivalent to coumar ( ou ) tonka-bean tree (< Spanish cumarú < Portuguese < Tupi cumaru ) + -ine -in ²

Example Sentences

Alongside is a sidecar of vanilla-tonka bean maple syrup, heady with the almond-y, fresh-hay scent of coumarin — a naturally occurring chemical in the seeds of the kumaru tree.

From Los Angeles Times • Nov. 3, 2024

Cassia cinnamon contains up to 1% of coumarin, and the Ceylon variety contains much less, 0.004%.

From Salon • Oct. 10, 2024

The team led by Prof. Tsogoeva at the Chair of Organic Chemistry I decided to combine artemisinin with bioactive coumarins because coumarin derivatives also possess anti-malaria properties.

From Science Daily • Nov. 20, 2023

I think you have written that this method extracts the beneficial compounds while leaving the non-water-soluble coumarin behind.

From Seattle Times • Oct. 13, 2021

The agreeable odour of this sweet Woodruffe is due to a chemical principle named "coumarin," which powerfully affects the brain; and the plant further contains citric, malic, and rubichloric acids, together with some tannic acid.

From Herbal Simples Approved for Modern Uses of Cure by Fernie, William Thomas