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Longman Dictionary of Contemporary English
watershed
noun
COLLOCATIONS FROM CORPUS
■ VERB
mark
▪ In many ways this innovation by Peter Husbands marks the watershed of drama education.
▪ In terms of our longer history of medico-moral politics the battle over the legislation certainly marked a watershed in mid-Victorian social reform.
EXAMPLES FROM CORPUS
▪ And there are neighbouring glens on the east side of the watershed, also lovely and deserving of special mention.
▪ It is very convenient, for the presentation of historical accounts, when a specific date can be identified as a watershed.
▪ Nizan was convinced that February 1934 was a watershed not only in terms of cultural politics, but also in terms of cultural production.
▪ That wedding between Liz and Owen had proved to be a watershed in all their lives.
▪ The local council elections in May appeared to be a watershed in the party's and, therefore Mrs Thatcher's fortunes.
▪ The plan was for another military road over the watershed between Dee and Spey.
▪ This can be thought of as a cultural watershed.
The Collaborative International Dictionary
watershed

Divide \Di*vide"\, n. A dividing ridge of land between the tributaries of two streams; also called watershed and water parting. A divide on either side of which the waters drain into two different oceans is called a continental divide.

Douglas Harper's Etymology Dictionary
watershed

"line separating waters flowing into different rivers," 1803, from water (n.1) + shed in a topographical sense of "ridge of high ground between two valleys or lower ground, a divide," perhaps from shed (v.) in its extended noun sense of "the part of the hair of the head" (14c.). Perhaps a loan-translation of German Wasser-scheide. Figurative sense is attested from 1878. Meaning "ground of a river system" is from 1878.

Wiktionary
watershed

n. 1 (context hydrology English) The topographical boundary dividing two adjacent catchment basins, such as a ridge or a crest. 2 (context US English) A region of land within which water flows down into a specified body, such as a river, lake, sea, or ocean; a drainage basin. 3 A critical point marking a change in course or development. 4 (context Canada British English) The time after which material of more adult nature (violence, swear words, sex) may be broadcast on television or radio, either one laid down or one contrived (e.g. when children are not watching)

WordNet
watershed
  1. n. a ridge of land that separates two adjacent river systems [syn: water parting, divide]

  2. an event marking a unique or important historical change of course or one on which important developments depend; "the agreement was a watershed in the history of both nations" [syn: landmark, turning point]

Wikipedia
Watershed (broadcasting)

In British broadcasting, the watershed is the point in time after which programmes with adult content may be broadcast. In the same way that a watershed refers to the crest dividing two drainage basins, a broadcasting watershed serves as a dividing line. It divides the day into the overnight period where family-oriented programming suitable for children may be aired and where programming aimed at or suitable for a more adult audience is permitted, though not required. It may also mean the period of time during which programmes with adult content may be broadcast. Examples of adult content include, but are not limited to, graphic violence, horror, strong language, nudity, sexual intercourse, gambling and drug use, or references to these themes without necessarily portraying them. In most countries, the same set of rules also applies to advertisements on radios and television, both for the content of the commercial and the nature of the product or service being advertised.

Watershed has other names in other countries; it is known as safe harbor in the United States (a reference to the legal term of safe harbor, in this case indicating the time when broadcasters are protected from penalties for airing indecent but not obscene material), and as adult time in Venezuela.

Due to cultural differences around the world, watershed times can vary. For instance, in New Zealand, the watershed time starts at 20:30 (8:30 p.m.), and in Italy it starts at 22:30 (10:30 p.m.). Some countries also have multiple watershed layers, where less inappropriate content than others may be allowed at an earlier time of the evening, but may still be restricted. In addition, some countries are more lenient towards subscription television and radio or pay-per-view channels than towards free-to-air channels and stations (see pervasiveness doctrine for the U.S. context of this).

Watershed (South African band)

Watershed is a South African Pop-Rock band, which was founded in Johannesburg in 1998.

Watershed (k.d. lang album)

Watershed is the fifth solo studio album by k.d. lang and was released on . It is her first collection of original material since 2000's Invincible Summer. In the US, it debuted at #8 on the Billboard 200, with approximately 41,000 copies sold. In Australia it debuted at #3 on the ARIA Albums Chart and in its ninth week moved to the #1 spot, up from the #38 position one week earlier. In the UK, it debuted and peaked at #35.

A limited edition of the album was released in deluxe packaging which contained a bonus disc with four live tracks and an interview. "I Dream of Spring" was the album's first single, released on .

Watershed (Grant McLennan album)

Watershed is the debut solo album by Grant McLennan, founding member of The Go-Betweens released under the name G. W. McLennan. The album was recorded nine months after The Go-Betweens called it quits and was released in 1991. It featured contributions by singer-songwriters Paul Kelly and Dave Dobbyn, ex-Go-Between Amanda Brown (who was now half of Cleopatra Wong with Lindy Morrison) and Phil Kakulas of Blackeyed Susans. Despite this stellar line-up, the album received disappointing sales.

Watershed (American band)

Watershed is an American rock band based in Columbus, Ohio, consisting of Colin Gawel ( guitar, vocals), Joe Oestreich ( bass, vocals), Joe Peppercorn ( piano, guitar), Dave Masica ( drums). Their songs have appeared in several television shows, including Gene Simmons Family Jewels, Laguna Beach, and The Dudesons. Several members of Watershed formed The Dead Schembechlers, a punk band based on the Ohio State-Michigan rivalry. Watershed has appeared on tour with several other bands, including the shock-rap group Insane Clown Posse. Watershed is managed by Thomas O'Keefe, a longtime fan of the band.

Watershed (Bristol)

Watershed opened in June 1982 as the United Kingdom's first dedicated media centre. Based in former warehouses on the harbourside at Bristol, it hosts three cinemas, a café/ bar, events/conferencing spaces, The Pervasive Media Studio, and office spaces for administrative and creative staff. It occupies the former E and W sheds on Canon's Road at Saint Augustine's Reach, and underwent a major refurbishment in 2005. The building also hosts UWE eMedia Business Enterprises, Most of Watershed's facilities are situated on the second floor of two of the transit sheds. The conference spaces and cinemas are used by many public and private sector organisations and charities. Watershed employs the equivalent of over seventy full-time staff and has an annual turnover of approximately £3.8 million. As well as its own commercial income (through Watershed Trading), Watershed Arts Trust is funded by national and regional arts funders. It is run by Managing Director Dick Penny who first joined in 1991.

A 2010 report for the International Futures Forum describes the Watershed as "a creative ecosystem, operating in many different and overlapping economies," which is "pushing the creative boundary" by fostering both the invention and consolidation of new work.

Watershed (image processing)

In the study of image processing a watershed of a grayscale image is analogous to the notion of a catchment basin of a heightmap. In short, a drop of water following the gradient of an image flows along a path to finally reach a local minimum. Intuitively, the watershed of a relief correspond to the limits of the adjacent catchment basins of the drops of water.

There are different technical definitions of a watershed. In graphs, watershed lines may be defined on the nodes, on the edges, or hybrid lines on both nodes and edges. Watersheds may also be defined in the continuous domain. There are also many different algorithms to compute watersheds. Watershed algorithm is used in image processing primarily for segmentation purposes.

Image:Relief of gradient of heart MRI.png|Relief of the gradient magnitude Image:Gradient of MRI heart image.png|Gradient magnitude image Image:Watershed_of_gradient_of_MRI_heart_image.png|Watershed of the gradient Image:Relief view of the watershed of the gradient of an MRI heart image.png|Watershed of the gradient (relief)

Watershed (Opeth album)

Watershed is the ninth full-length studio album by the Swedish heavy metal band Opeth. Released by Roadrunner Records, Watershed is the first studio album by Opeth to feature guitarist Fredrik Åkesson and drummer Martin Axenrot, who replaced longtime guitarist Peter Lindgren and drummer Martin Lopez. The artwork for the album was made by Travis Smith (who has created the artwork for eight previous Opeth releases) in collaboration with Mikael Åkerfeldt. The album has been described as "a major turning point" for Opeth due to the depth of its engagement with progressive rock. It is also, as of 2016, the band's last studio album to contain death growls or any death metal elements. The song "The Lotus Eater" was featured in Saints Row: The Third.

Watershed (Christian band)

Watershed is a Christian music group. Singing in the a cappella style (with the addition of Tony Brown's " beatboxing"), the group produced its first album, Audience of One in 2002. Since then, the group has produced four more albums, with their latest, I Know You Love Me being released in 2007. The ministry involved with the band is known as "Watershed Worship." The original group consisted of Chris Lindsey (baritone), Aaron Johnson (tenor), Laura Ellis (alto), and Todd Dunaway (bass). Over the years it changed members, but the current Members are Chris Lindsey (baritone), Todd Dunaway (bass), Sean Algaier (tenor), Michael Forehand (tenor), and Tony Brown (vocal percussion).

Usage examples of "watershed".

Permaculture One or the periodical, The International Permaculture Species Yearbook and the Friends of the Trees Society publication, International Green Front Report, of possible tree species that would fit well in the Watershed.

Our work on our watersheds with seeds, permaculture and natural plants could enable us to be of some assistance to the human family and to the earth, as the ecosystems are impacted.

But that was before the coming of the east-and-west canal and the eastand-west railroads, which virtually upheaved a new watershed and changed the whole physiographic, social, and economic relationships of the west.

The longer that cane growers refuse to clean up their waste and the more unfiltered scum they pump into the watershed, the greater the public backlash.

It served as the boundary between Italian Gaul and Italia proper on the western side of the Apennine watershed.

At first Caesar had worried about the Arverni, whose lands were on the western side of the watershed, but as time went on and no Arverni appeared, even a lost one, he began to believe that he would get to Vienne without a single warning flying to Vercingetorix.

On the Watershed the natural mixture of native grasses are all but gone on the broadscale but isolated stands can be found.

They were, perhaps, the final flowering of all this history: not a turning point, as he had thought, or a watershed, but rather the final roar of an avalanche that had started slowly, thousands of years before, in the slow settling of layer upon layer of coldheartedness and cruelty onto the high ground of the nature of Man.

Viewers themselves clapped, tens of thousands of hands clapping, in living rooms throughout the Cuyahoga River watershed.

Croatia flow into the Black Sea and the Adriatic, and the watershed between the two basins lies along the Dinaric range.

The Mattole Restoration Council is made up of many other groups and networks, such as the Mattole Coordinating Council whose members are the Environmental Protection Information Center, the Mattole Soil and Water Conservation Committee, the Upper Mattole Property Owners Association, the Mattole Watershed Salmon Support Group, the Mattole Watershed Taxpayers Association, the Redwoods Monastery Community, the Coastal Headwaters Association, and the Sinkyone Council.

Cabra is built in a fertile valley between the Sierra de Cabra and the Sierra de Montilla, which together form the watershed between the rivers Cabra and Guadajoz.

There were, to be sure, still other portage paths than those across watersheds, and the most common were those that led around waterfalls or impassable rapids, such as Champlain and the Jesuits followed on their journeys up the Ottawa to the Nipissing.

After all these years, the climb over into the Quinault watershed is no longer one he is looking forward to as a chance to push himself, a good stretch of the legs.

Murray would come down from the Stikine country, cross the watershed of the Upper Skeena, checking the cabins of the old Yukon telegraph line as they went.