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A period of immeasurable duration; also, an emanation of the Deity. See Eon.

The positive or negative stimulus exerted by oxygen on aërobic and anaërobic bacteria. -- A`ër*o*tac"tic (#), a.

That which is done or is to be done; matter; concern; as, a difficult affair to manage; business of any kind, commercial, professional, or public; -- often in the plural. "At the head of affairs." Junius. "A talent for affairs." Prescott.

(Tagetes erecta). -- African oak or African teak, a timber furnished by Oldfieldia Africana, used in ship building. African violet African-American, a United States citizen of African descent.

Having to stomach, or distinct digestive canal, as the tapeworm.

To convert into agate; to make resemble agate. Dana.

(order Amaryllidaceæ) of which the chief species is the maguey or century plant (A. Americana), wrongly called Aloe. It is from ten to seventy years, according to climate, in attaining maturity, when it produces a gigantic flower stem, sometimes forty feet in height, and perishes. The fermented juice is the pulque of t…

(Anat.) Formed into clusters or groups of lobules; as, aggregate glands.

cience of cultivating the ground, including the harvesting of crops, and the rearing and management of live stock; tillage; husbandry; farming.

Pertaining to agronomy, of the management of farms.

The science of the distribution and management of land.

The management of land; rural economy; agriculture.

A thin, black silk for hoods, scarfs, etc.; -- often called simply mode. Buchanan.

An imaginary art which aimed to transmute the baser metals into gold, to find the panacea, or universal remedy for diseases, etc. It led the way to modern chemistry.

A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc.…

A crystallizable compound of a salt with alcohol, in which the latter plays a part analogous to that of water of crystallization. Graham.

Any natural recess analogous to an alcove or recess in an apartment. The youthful wanderers found a wild alcove. Falconer.

amilies of North American Indians, their territory formerly including practically all of Canada east of the 115th meridian and south of Hudson's Bay and the part of the United States east of the Mississippi and north of Tennessee and Virginia, with the exception of the territory occupied by the northern Iroquoian tribe…

The palace of the Moorish kings at Granada.

the function of nutrition; nutritious; alimental; as, alimentary substances. Alimentary canal, the entire channel, extending from the mouth to the anus, by which aliments are conveyed through the body, and the useless parts ejected.