Definitions
from The Century Dictionary.
- noun The solid crystalline substance separated from any volatile oil on long standing or at low temperatures. See
elæoptene .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) The more solid ingredient of certain volatile oils; -- contrasted with
elæoptene .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry The more
solid ingredient of certainvolatile oils , contrasted withelaeoptene .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Officinally Thymol, the stearoptene obtained from the volatile oil of
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This increase in the proportion of stearoptene is also shown by the progressively heightened fusing-point of rose oils from different sources: thus, while Bulgarian oil fuses at about 61° to 64°
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Almost the only material used for artificially heightening the apparent proportion of stearoptene is said to be spermaceti, which is easily recognizable from its liability to settle down in a solid cake, and from its melting at 122° Fahr., whereas stearoptene fuses at 91. 4° Fahr.
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The French otto is richer in stearoptene than the Turkish, nine grammes crystallizing in a liter (1¾ pint) of alcohol at the same temperature as 18 grammes of the Turkish.
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The crystals of rose-stearoptene are light, feathery, shining plates, filling the whole liquid.
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When hard spring water is employed, the otto is rich in stearoptene, but less transparent and fragrant.
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The odoriferous constitutent of the otto is a liquid containing oxygen, the solid hydrocarbon or stearoptene, with which it is combined, being absolutely devoid of perfume.
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