cinnamic acid

cinnamic acid

noun Chemistry.
a white, crystalline, water-insoluble powder, C 9 H 8 O 2 , usually obtained from cinnamon or synthesized: used chiefly in the manufacture of perfumes and medicines.

Origin:
1880–85

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World English Dictionary
cinnamic acid (sɪˈnæmɪk)
 
n
a white crystalline water-insoluble weak organic acid existing in two isomeric forms; 3-phenylpropenoic acid. The trans- form occurs naturally and its esters are used in perfumery. Formula: C6H5CH:CHCOOH
 
[C19: from cinnam(on) + -ic; from its being found in cinnamon oil]

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American Heritage
Science Dictionary
cinnamic acid   (sə-nām'ĭk)  Pronunciation Key 
A white crystalline organic acid obtained from cinnamon or from balsams, or made synthetically. It is used to manufacture perfumery compounds. Chemical formula: C9H8O2.
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