coumarin
noun
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.
cumarin
-
a variation of
coumarin.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
No glucoside containing cumarin as such has yet been isolated; but several glucosides of its oxy-derivatives are known.
From The Chemistry of Plant Life by Roscoe Wilfred Thatcher
