stearoptene

[stee-uh-rop-teen]

noun

Chemistry.

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

stearoptene

/ ˌstɪəˈrɒptiːn /

noun

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

Word History and Origins

Origin of stearoptene¹

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

Word History and Origins

Origin of stearoptene¹

C19: from New Latin stearoptenum, from Greek stear fat + -ptenum, from ptēnos winged (volatile)

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.

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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.

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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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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 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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