stearoptene

[ stee-uh-rop-teen ]

Phonetic (Standard)IPA

noun

, Chemistry.

stearoptene

/ ˌstɪəˈrɒptiːn /

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

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

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

The crystals of rose-stearoptene are light, feathery, shining plates, filling the whole liquid.

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

The solid crystalline matter which separates from them when kept in closed vessels is stearoptene.

By age it deposits a crystalline stearoptene, and acquires a terebinthinate odour.

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