• WordNet 3.6
    • n irrigation (medicine) cleaning a wound or body organ by flushing or washing out with water or a medicated solution
    • n irrigation supplying dry land with water by means of ditches etc
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Additional illustrations & photos:


Webster's Revised Unabridged Dictionary
    • n Irrigation 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.
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Century Dictionary and Cyclopedia
    • n irrigation The act of watering or moistening; the covering of anything with water or other liquid for the purpose of making or keeping it moist, as in local medical treatment; especially, the distribution of water over the surface of land to promote the growth of plants. The irrigation of land is often artificially effected by elaborate and costly means, consisting of machinery for raising the water from streams or reservoirs, and ditches through which to distribute it; and many regions depend upon such artificial irrigation for their productiveness.
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Chambers's Twentieth Century Dictionary
    • ns Irrigation a method of producing or increasing fertility in soils by an artificial supply of water, or by inundating them at stated periods: act of watering, esp. of watering lands artificially
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  • C. S. Lewis
    “The task of the modern educator is not to cut down jungles, but to irrigate deserts.”
  • Buddha
    “As irrigators lead water where they want, as archers make their arrows straight, as carpenters carve wood, the wise shape their minds.”


Webster's Revised Unabridged Dictionary
L. irrigatio,: cf. F. irrigation,
Chambers's Twentieth Century Dictionary
L. irrigāre, -ātumin, upon, rigāre, to wet; cf. Ger. regen, Eng. rain.


In literature:

A high rectal irrigation should now be given.
"The Eugenic Marriage, Volume IV. (of IV.)" by Grant Hague
Behind El Matra are pleasant gardens, watered by irrigation, which produce most of the fruit and vegetables consumed in these parts.
"Southern Arabia" by Theodore Bent
Osiris controlled not only the river and the irrigation canals, but also the rain-clouds.
"The Evolution of the Dragon" by G. Elliot Smith
First to strike Lennon's desert-starved eyes was the vivid grateful verdure of irrigated cornfields.
"Bloom of Cactus" by Robert Ames Bennet
There is little wild game and scarcely any water to irrigate the dry soil.
"The Western United States" by Harold Wellman Fairbanks
Already about three hundred thousand acres are cultivated with the aid of irrigation in Cape Colony.
"Impressions of South Africa" by James Bryce
"History of the United States, Volume 4" by E. Benjamin Andrews
Irrigation was the opportunity of the moment and he meant to grab it with a strangle hold.
"The Lady Doc" by Caroline Lockhart
A very good "irrigator" can be bought of any tinsmith at a trifling cost, and should be constantly at hand on every stock farm.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Cultivation of the soil is no longer possible without machinery, without great irrigation works, without railways, without manure factories.
"The Conquest of Bread" by Peter Kropotkin
The irrigation facilities are already sufficient to water more than one hundred thousand acres.
"Wealth of the World's Waste Places and Oceania" by Jewett Castello Gilson
But the irrigation engineers have lately discovered something wonderful about even these despised rivers.
"Southern Stories" by Various
Wherever possible, irrigation should be applied in dry weather.
"The Book of Pears and Plums" by Edward Bartrum
Like mushrooms overnight, the little towns spring up on irrigation lands.
"Through Our Unknown Southwest" by Agnes C. Laut
I have tried irrigation on a small scale, but do not irrigate now.
"The Apple" by Various
At Yuma we had a vivid evidence of what care and irrigation can do even in this arid waste.
"A Flight in Spring" by J. Harris Knowles
Is there anybody who'd be mean enough to cut off my mother's irrigation, on purpose, or steal her feathers?
"Jessica Trent: Her Life on a Ranch" by Evelyn Raymond
At Kastamuni we had pine woods and shrubs on the hills, while all the valleys were extensively irrigated.
"A Kut Prisoner" by H. C. W. Bishop
Manure was collected from various sources, and irrigation was practised on a large scale.
"The New Gresham Encyclopedia. Vol. 1 Part 1" by Various
The Tarnak is dammed for irrigation at intervals, and in the hot season almost exhausted.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5" by Various

In poetry:

Spense wus thet harden'd; when the yearth
Wus like a bak'd pertater;
Instead ov prayin' hard fur rain,
He fetched an irrigator.
"The wicked flourish like green bays!"
Sed folks for comfort in them days.
"Old Spense" by Isabella Valancy Crawford

In news:

A broken ground wire was responsible for an electric charge in a Bingham County irrigation ditch that claimed the life of an Idaho State University assistant track coach and two would-be rescuers.
Cleaning stalls, painting fences, irrigating the pasture and picking up rocks (Colorado soil grows rocks) were necessities of the life we lived.
Steven Berg already can control irrigation pivots on his fields near Paterson using his cellphone or computer.
Farm leaders concerned about proposed water sales to San Francisco by the Modesto Irrigation District offered Tuesday to discuss raising their own rates.
Very Low MACE Rates Reported in 2,500 Cases With Niobe Magnetic Irrigated Catheter.
Fire crews say the man was fixing an irrigation stand pipe when he became dizzy and collapsed inside the pipe.
Jose said the tree is made up of over 800 live poinsettias , which are kept alive by a complex irrigation system that takes two or three days to set up.
Rain Bird Academy classes provide training on the installation, maintenance, and design of irrigation systems.
A privately held company founded in 1933, Rain Bird Corporation is the leading manufacturer and provider of irrigation products and services.
Rain Bird Academy classes provide training on the installation, maintenance, and design of irrigation systems.
Learn more about irrigation best practices.
The American Society of Landscape Architects (ASLA) has selected Rain Bird Corporation to provide a landscape drip irrigation system for the recently dedicated green roof in downtown Washington, D.C.
After a long debate Monday, a council majority decided to tap the city's reserve to balance the budget and to direct Utilities to work with the city on a water rate solution before irrigating kicks into high gear.
Spray irrigation is the way to go for the controversial pr READ.
With barely a quorum at Wednesday night's Paradise Irrigation District meeting, it took nothing short of a unanimous vote to get anything done.

In science:

The graphs are obtained as “irrigation subgraphs” of the well-known random geometric graph model.
Connectivity threshold for Bluetooth graphs
The problem arises for instance in the formation of Bluetooth ad-hoc or sensor networks , but also in settings related to information dissemination (broadcast or rumour spreading) [5, 8]. irrigation subgraph Sn = (V , (cid:98)E ) of Gn is obtained as follows: Let 2 ≤ cn < n be a positive integer.
Connectivity threshold for Bluetooth graphs
Irrigating ad hoc In Proceedings of the seventeenth annual ACM symposium on networks in constant time.
Connectivity threshold for Bluetooth graphs
For example Lenzen [Lenzen2010] p. 547 writes: As with wind power, solar power is wel l suited for demands that are insensitive to temporal variations in electricity output, such as water pumping for irrigation, or vehicle charging.
Storing unsteady energy, like photovoltaically generated electric energy, as potential energy
Desalination refers to any of several processes that remove the excess salt and other minerals from water in order to obtain fresh water suitable for animal consumption or irrigation, and if almost all of the salt is removed for human consumption, sometimes the process produces table salt as a byproduct.
Extraction of Freshwater and Energy from Atmosphere
Solimini: Elementary properties of optimal irrigation patterns.
A Benamou-Brenier approach to branched transport
Solimini: A variational model of irrigation patterns.
A Benamou-Brenier approach to branched transport
Solimini: Transport distances and irrigation models. J.
A Benamou-Brenier approach to branched transport
This canal served for the purpose to control the flooding of the river and help in irrigating the surrounding area.
The decreasing level of Toshka Lakes seen from space