heliotropin
Americannoun
noun
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012Etymology
Origin of heliotropin
First recorded in 1880–85; heliotrope + -in 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Its specific gravity at 15° C. is 0.883-0.885; refractive index at 20° C., 1.4762-1.4770; it is optically inactive, and boils at 218°-225° C. Heliotropin, which possesses the characteristic odour of heliotrope, is prepared artificially from safrol.
From Project Gutenberg
Thus, many essential oils and synthetic perfumes cause the soap to darken rapidly on keeping, e.g., clove oil, cassia oil, heliotropin, vanillin.
From Project Gutenberg
It has a strong characteristic odour, and occurs, associated with traces of benzoic acid and heliotropin, in the vanilla bean.
From Project Gutenberg
Piperonal, an aldehyde closely allied to vanillin, is used in perfumery under the name of heliotropin and is prepared from oil of sassafras and oil of camphor.
From Project Gutenberg
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
