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margaric acid

noun

, Chemistry.
  1. a colorless, crystalline, water-insoluble, fatty acid, C 1 7 H 3 4 O 2 , resembling stearic acid, obtained from lichens or synthetically.


margaric acid

noun

  1. another name for heptadecanoic acid
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of margaric acid1

1810–20; < Greek márgar ( on ) pearl (probably back formation from margarī́tēs; margarite ) + -ic
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Example Sentences

It is a crystalline solid less fusible than margaric acid, but closely resembling it in its other properties.

The residuum being decomposed by boiling hot muriatic acid, affords margaric acid.

If it melts at a lower heat, it contains more or less margaric acid.

When treated with caustic alkaline lye, it is converted into margaric acid and ceraïne.

It forms pearly scales, and melts at 140 Fahr., like margaric acid, which it closely resembles.

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