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The act or process of irrigating, or the state of being irrigated; especially, the operation of causing water to flow over lands, for nourishing plants.

oresce in the form of a powder or crust (usually white) in dry weather following rains or irrigation. The basis of these salts is mainly soda with a smaller amount of potash, and usually a little lime and magnesia. Two main classes of alkali are commonly distinguished: black alkali, which may be any alkaline carbonate…

mole made in the course of a stream for the purpose of regulating the flow of a system of irrigation. [India] Brande & C.

A narrow drain or channel used in the irrigation of land. Simmonds.

To make rich with manure; to fertilize; -- said of the soil; as, to enrich land by irrigation.

to be inundated; to fill or cover with water or other fluid; as, to flood arable land for irrigation; to fill to excess or to its full capacity; as, to flood a country with a depreciated currency.

ion and direction. -- Mountain rice. (Bot.) (a) An upland variety of rice, grown without irrigation, in some parts of Asia, Europe, and the United States. (b) An American genus of grasses (Oryzopsis). -- Mountain rose (Bot.), a species of rose with solitary flowers, growing in the mountains of Europe (Rosa alpina).…

See Irrigation. [Obs.]

A machine, resembling a well sweep, used in Egypt for raising water from the Nile for irrigation.

ves with the lower part of the circumference submerged, -- used for raising water, as for irrigation.

; as, to use a plow; to use a chair; to use time; to use flour for food; to use water for irrigation. Launcelot Gobbo, use your legs. Shak. Some other means I have which may be used. Milton.

ent of the Spaniards, before which they had been conquered by the Incas. They constructed irrigation canals which are still in use, adorned their buildings with bas-reliefs and frescoes, and were skilled goldsmiths and silversmiths. -- Yun"can (#), a.