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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.
cinnamic acid
/ sɪˈnæmɪk /
noun
- 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: C 6 H 5 CH:CHCOOH
cinnamic acid
/ sə-năm′ĭk /
- A white crystalline organic acid obtained from cinnamon or from balsams, or made synthetically. It is used to manufacture perfumery compounds. Chemical formula: C 9 H 8 O 2 .
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Word History and Origins
Origin of cinnamic acid1
First recorded in 1880–85
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Word History and Origins
Origin of cinnamic acid1
C19: from cinnam ( on ) + -ic ; from its being found in cinnamon oil
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Example Sentences
By the addition of diluted sulphuric acid, the aldehyde of cinnamic acid is afterwards procured pure.
From Project Gutenberg
With fatty acids and acid anhydrides it gives the “Perkin” reaction (see Cinnamic Acid).
From Project Gutenberg
An isomer of cinnamic acid known as allo-cinnamic acid is also known.
From Project Gutenberg
Wolff has converted this alcohol by oxidizing agents into cinnamic acid.
From Project Gutenberg
On exposure they rapidly absorb cinnamic acid, two resins and water.
From Project Gutenberg
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