stearoptene

American  

[stee-uh-rop-teen] / ˌsti əˈrɒp tin /

noun

Chemistry.

1. the oxygenated solid part of an essential oil (eleoptene ).

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stearoptene British  

/ ˌstɪəˈrɒptiːn /

noun

1. the part of an essential oil that separates out as a solid on cooling or standing

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Etymology

Origin of stearoptene

1830–40; stearo- + -ptene < Greek ptēnós winged, volatile; eleoptene

Example Sentences

Besides inulin, C12H20O10, a body isomeric with starch, the root contains helenin, C6H8O, a stearoptene, which may be prepared in white acicular crystals, insoluble in water, but freely soluble in alcohol.

From Project Gutenberg

Officinally Thymol, the stearoptene obtained from the volatile oil of Thymus vulgaris, is directed to be given in a dose of from half to two grains.

From Project Gutenberg

When hard spring water is employed, the otto is rich in stearoptene, but less transparent and fragrant.

From Project Gutenberg

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.

From Project Gutenberg

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.

From Project Gutenberg