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valerin

valerin Chem.
  (ˈvælərɪn)
  [f. as prec. + -in.]
  (See quots.)

1866 W. Odling Anim. Chem. 93 By combining valeric acid with glycerin we produce valerin, a constituent of whale oil. 1868 Watts Dict. Chem. V. 980 Valerins, glycerides produced by heating valeric acid with glycerin.

Oxford English Dictionary

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