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heliotropin

 - 3 dictionary results

he⋅li⋅o⋅tro⋅pin

[hee-lee-uh-troh-pin, hee-lee-o-truh-pin]
–noun
piperonal.

Origin:
1880–85; heliotrope + -in 2

pi⋅per⋅o⋅nal

[pi-per-uh-nal, pahy-, pip-er-uh-]
–noun Chemistry.
a white, crystalline, water-insoluble aldehyde, C8H6O3, which darkens on exposure to light: used chiefly in perfumery and organic synthesis.
Also called piperonyl aldehyde, heliotropin.


Origin:
1865–70; piper(ine) + -one + -al 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To heliotropin
he·li·o·tro·pin   (hē'lē-ə-trō'pĭn, -ŏt'rə-)   
n.  Piperonal.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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