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Glyceryl :: Glyceryl (n.) A compound radical, C3H5, regarded as the essential radical of glycerin. It is metameric with allyl. Called also propenyl..

Helleborin :: Helleborin (n.) A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also elleborin..

Orcein :: Orcein (n.) A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus..

Consubstantial :: Consubstantial (a.) Of the same kind or nature; having the same substance or essence; coessential.

Lactucin :: Lactucin (n.) A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium..

Cabazite :: Cabazite (n.) A mineral occuring in glassy rhombohedral crystals, varying, in color from white to yellow or red. It is essentially a hydrous silicate of alumina and lime. Called also chabasie..

Point :: Point (n.) Hence, the most prominent or important feature, as of an argument, discourse, etc.; the essential matter; esp., the proposition to be established; as, the point of an anecdote..

Sulphinic :: Sulphine (n.) Any one of a series of basic compounds which consist essentially of sulphur united with hydrocarbon radicals. In general they are oily or crystalline deliquescent substances having a peculiar odor; as, trimethyl sulphine, (CH3)3S.OH. Cf. Sulphonium..

Propenyl :: Propenyl (n.) A hypothetical hydrocarbon radical, C3H5, isomeric with allyl and glyceryl, and regarded as the essential residue of glycerin. Cf. Allyl, and Glyceryl..

Roscoelite :: Roscoelite (n.) A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.

Semiring :: Semiring (n.) One of the incomplete rings of the upper part of the bronchial tubes of most birds. The semerings form an essential part of the syrinx, or musical organ, of singing birds..

Strength :: Strength (n.) Intensity or degree of the distinguishing and essential element; spirit; virtue; excellence; -- said of liquors, solutions, etc.; as, the strength of wine or of acids..

Life :: Life (n.) An essential constituent of life, esp. the blood..

Essence :: Essence (n.) The predominant qualities or virtues of a plant or drug, extracted and refined from grosser matter; or, more strictly, the solution in spirits of wine of a volatile or essential oil; as, the essence of mint, and the like..

Proper :: Proper (a.) Belonging to the natural or essential constitution; peculiar; not common; particular; as, every animal has his proper instincts and appetites..

Thionyl :: Thionyl (n.) The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride..

Vaseline :: Vaseline (n.) A yellowish translucent substance, almost odorless and tasteless, obtained as a residue in the purification of crude petroleum, and consisting essentially of a mixture of several of the higher members of the paraffin series. It is used as an unguent, and for various purposes in the arts. See the Note under Petrolatum..

Heart :: Heart (n.) The nearest the middle or center; the part most hidden and within; the inmost or most essential part of any body or system; the source of life and motion in any organization; the chief or vital portion; the center of activity, or of energetic or efficient action; as, the heart of a country, of a tree, etc..

Bole :: Bole (n.) Any one of several varieties of friable earthy clay, usually colored more or less strongly red by oxide of iron, and used to color and adulterate various substances. It was formerly used in medicine. It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. See Clay, and Terra alba..

Neroli :: Neroli (n.) An essential oil obtained by distillation from the flowers of the orange. It has a strong odor, and is used in perfumery, etc..

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