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Of, pertaining to, derived from, or possessed by, an ancestor or ancestors; as, an ancestral estate. "Ancestral trees." Hemans.

ncipal subgenus is Sorghum, including A. sorghum and A. halepensis, from which have been derived the Chinese sugar cane, the Johnson grass, the Aleppo grass, the broom corn, and the durra, or Indian millet. Several East Indian species, as A. nardus and A. schonanthus, yield fragrant oils, used in perfumery.…

Of or derived from angelica; as, angelic acid; angelic ether. Angelic acid, an acid obtained from angelica and some other plants.

Of or derived from anise; as, anisic acid; anisic alcohol.

Pertaining to, or derived from, antimony; -- said of those compounds of antimony in which this element has its highest equivalence; as, antimonic acid.

Pertaining to, or derived from, antimony; -- said of those compounds of antimony in which this element has an equivalence next lower than the highest; as, antimonious acid.

An oily liquid derived from parsley.

Pertaining to, derived from, or containing, silver; -- said of certain compounds of silver in which this metal has its lowest proportion; as, argentic chloride.

A sandstone derived from the disintegration of granite or gneiss, and characterized by feldspar fragments. -- Ar*kos"ic (#), a.

atic odor. They include many of the most important of the carbon compounds and may all be derived from the benzene group, C6H6. The term is extended also to many of their derivatives. -- Aromatic vinegar. See under Vinegar.

Pertaining to, or derived from, arsenic; -- said of those compounds of arsenic in which this element has its highest equivalence; as, arsenic acid.

Pertaining to, or derived from, arsenic, when having an equivalence next lower than the highest; as, arsenious acid.

Pertaining to, or derived, asparagine; as, aspartic acid.

A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistictness of vision.

te than in or on; at the house may be in or near the house. From this original import are derived all the various uses of at. It expresses: -

. Many of these nouns have verbs in -ate; as, alliterate -ation, narrate -ation; many are derived through the French; as, alteration, visitation; and many are formed on verbs ending in the Greek formative -ize (Fr. -ise); as, civilization, demoralization.

ch expresses with augmented force the idea or the properties of the term from which it is derived; as, dullard, one very dull. Opposed to diminutive. Gibbs.

old events by the singing, chattering, flight, and feeding of birds, or by signs or omens derived from celestial phenomena, certain appearances of quadrupeds, or unusual occurrences.

Pertaining to, or derived from, gold; -- said of those compounds of gold in which this element has its higher valence; as, auric oxide; auric chloride.

A red coloring matter derived from phenol; -- called also, in commerce, yellow coralin.