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Longman Dictionary of Contemporary English
a 300-hectare/400-acre etc farm
▪ He bought a 300-hectare farm in Shropshire.
an acre/hectare of land
▪ The family owned hundreds of acres of land.
▪ Fifteen reserves are to be established by 2000, covering 12,000 hectares of pine forest, loch, bog and mountain.
▪ The area legally delimited between 1908 and 1919 as the Champagne-producing region covers 34,500 hectares.
▪ By 1886 La Chapelle covered 60 hectares of land, and it was lit by electric light from 1877.
▪ The enclosed water area now covers some 89 hectares whilst the land area is in excess of 150 hectares.
▪ The Inlet covers 6,500 hectares of inter-tidal land between the Gower Peninsula and Llanelli.
▪ Some were little more than 50 hectares, although the Tyneside zone was over 450 hectares.
▪ That includes about 43,000 hectares of replanting and 56,000 hectares of new planting by both private foresters and Forest Enterprise.
▪ The average size of these plots was less than 1 hectare in the inner city, but up to 10 hectares at the edges.
▪ The refinery's 175 hectares will be replaced by areas of parks and green spaces.
▪ There are also plans to log 57,500 hectares of ancient forest, containing trees of up to 600 years old.
▪ They had sublet another 40 hectares because their 52 hectares of valley and mountain holdings still fall well short of their needs.
▪ They produced less per hectare and employed fewer people per hectare than small farms.
▪ This suggests that each of the 200,000 hectares developed by 1986 had required almost £200,000 of public expenditure.
The Collaborative International Dictionary

Hectare \Hec"tare`\, n. [F., fr. Gr. ? hundred + F. are an are.] A measure of area, or superficies, containing a hundred ares, or 10,000 square meters, and equivalent to 2.471 acres.

Douglas Harper's Etymology Dictionary

1810, from French hectare "a hundred ares," formed from Greek hekaton "hundred" (see hecatomb) + Latin area "vacant piece of ground" (see area). A superficial measure containing 100 ares, coined by decree of the French National Convention in 1795.


n. A unit of surface area (''symbol'' ha) equal to 100 ares (that is, 10,000 square metres, one hundredth of a square kilometre, or approximately 2.5 acres), used for measuring the areas of geographical features such as land and bodies of water.


n. (abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters)


The hectare ( or ; symbol ha) is an SI accepted metric system unit of :area equal to and primarily used in the measurement of land as a metric replacement for the imperial acre. An acre is about 0.405 hectare and one hectare contains about 2.47 acres.

In 1795, when the metric system was introduced, the "are" was defined as 100 :square metres and the hectare (" hecto-" + "are") was thus 100 "ares" or  km. When the metric system was further rationalised in 1960, resulting in the International System of Units , the are was not included as a recognised unit. The hectare, however, remains as a non-SI unit accepted for use with the SI units, mentioned in Section 4.1 of the SI Brochure as a unit whose use is "expected to continue indefinitely".

Usage examples of "hectare".

When the autobahn went into an overpass he could look down to the right and see it stretching away into the December night, thousands of hectares of lights and mills, aglow from a thousand furnaces churning out the wealth of the economic miracle.

But Beman derived from human, robot, and Hectare elements, which were scientific, and they related well to the things of science and not to the things of magic.

There was no place to fly on Umber, but the ships of the Earth Convoy were equipped for worlds like Rondelet and Biruta, where solid ground was scattered in patches of a few hectares each.

Some score of sizable rivers run unutilized in the Province to-day, of which the Talavera alone could irrigate, if put in complete harness, 10,000 hectares of rice land.

In French peasants we have driven sewage carts over our hectares, estimating the unsown crop, and the cost, and the sowing.

The bog itself appeared on the map as a set of irregular blank areas between the River Brosna and the few hectares of arable land.

On the Pacific coast, where Yokohama and Kawasaki had once been, were five Soleri structures, each twelve kilometers tall, surrounded by a hundred thousand hectares of city greenspace, then a vast jumble of townships, each following its own architectural plan, each with over ten million citizens.

How many hectares does a golf course take up, all the while people in Redmond and Puyallup are scragging each other for a two-square-meter squat in an alley?

The one at Parish spacefield was long past its prime, sixty hectares of corroded hulls, acid-eaten scrap, cracked plastipaneling remnants, and wormeaten wood.

The estate was a sizable piece of property, three hectares or so in what appeared to be a most exclusive area of Parish Above.

The admin center was only a small part of the urbanplex, but its roof was forty hectares or so of giant outlets, intakes, vents, stacks, and waste heat dis-sipators.

Some score of sizable rivers run unutilized in the Province to-day, of which the Talavera alone could irrigate, if put in complete harness, 10,000 hectares of rice land.

Behind this miniature town there lay 1,500 hectares of meadow land, bounded by an embankment of lava.

I own a couple of thousand hectares in the state of Wyoming, in the mountains.

He carefully aimed the device into countless hectares of lifeless nothingness.