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To boil; to seethe; hence, to extract by boiling or seething. [Obs.] Cockeram.

A white crystalline bitter alkaloid extracted from ipecacuanha root, and regarded as its peculiar emetic principle.

The white milky pulp or extract of bitter almonds. [R.]

ny liquid preparation of a color and consistency resembling milk; as: (a) In pharmacy, an extract of seeds, or a mixture of oil and water united by a mucilaginous substance. (b) In photography, a liquid preparation of collodion holding salt of silver, used in the photographic process.

A process of extracting perfumes by exposing absorbents, as fixed oils or fats, to the exhalations of the flowers. It is used for plants whose volatile oils are too delicate to be separated by distillation.

d to condense within itself all the virtues and qualities of a substance from which it is extracted; essence. [Obs.]

An extract made from ergot.

A powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance. It is used to produce contraction of the uterus.

A glucoside found in the bearberry (and others of the Ericaceæ), and extracted as a bitter, yellow, amorphous mass.

A colorless crystalline substance, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also erythric acid.

A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also erythrol, erythroglucin, erythromannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetra…

A white crystalline alkaloid, extracted from sassy bark (Erythrophleum Guineense).

A ferment extracted from madder root, possessing the power of inducing alcoholic fermentation in solutions of sugar.

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. The . . . word essence . . . scarcely underwent a more complete transformation when from being the…

e that is not dependent on another. -- Essential oils (Chem.), a class of volatile oils, extracted from plants, fruits, or flowers, having each its characteristic odor, and hot burning taste. They are used in essences, perfumery, etc., and include many varieties of compounds; as lemon oil is a terpene, oil of bitter a…

A true copy, duplicate, or extract of an original writing or record, esp. of amercements or penalties set down in the rolls of court to be levied by the bailiff, or other officer. Cowell. Estreat of a recognizance, the extracting or taking out a forfeited recognizance from among the other records of the court, for the…

A volatile, terpenelike oil extracted from the eucalyptus, and consisting largely of cymene.

A colorless, crystalline substance extracted from oil of cloves; -- called also clove camphor.

A principle or mixture of principles extracted from various species of Eupatorium.

m, or resembling, euxanthin. Euxanthic acid (Chem.), a yellow, crystalline, organic acid, extracted from euxanthin.