What's the difference between roof and valley?

Roof


Definition:

  • (n.) The cover of any building, including the roofing (see Roofing) and all the materials and construction necessary to carry and maintain the same upon the walls or other uprights. In the case of a building with vaulted ceilings protected by an outer roof, some writers call the vault the roof, and the outer protection the roof mask. It is better, however, to consider the vault as the ceiling only, in cases where it has farther covering.
  • (n.) That which resembles, or corresponds to, the covering or the ceiling of a house; as, the roof of a cavern; the roof of the mouth.
  • (n.) The surface or bed of rock immediately overlying a bed of coal or a flat vein.
  • (v. t.) To cover with a roof.
  • (v. t.) To inclose in a house; figuratively, to shelter.

Example Sentences:

  • (1) The M&S Current Account, which has no monthly fee, is available from 15 May and is offering people the chance to bank and shop under one roof.
  • (2) The horizontal portion of the intracavernous ICA as well as the whole aspect of the aneurysm could be exposed as a result of the extended opening of the cavernous roof anterior to the posterior clinoid process.
  • (3) In 1986, Bill Heine erected a 25ft sculpture of a shark falling through the roof of his terraced house in Oxford .
  • (4) Nango's dwellings are built on skis so can be pulled around the beach, and have a glass roof to view the northern lights.
  • (5) A grassed roof, solar panels to provide hot water, a small lake to catch rainwater which is then recycled, timber cladding for insulation ... even the pitch and floodlights are "deliberately positioned below the level of the surrounding terrain in order to reduce noise and light pollution for the neighbouring population".
  • (6) For the roof, different odorants produced different activity patterns, which had profiles not simply described as regions of maximal and minimal responsiveness.
  • (7) The scheme is available to those who have one or more of the following technologies: solar PV panels (roof-mounted or stand alone), wind turbines (building mounted or free standing), hydroelectricity, anaerobic digestion (generating electricity from food waste), and micro combined heat and power (through the use of new types of boilers , for example).
  • (8) They were about to put the roof on it,” Hickman said.
  • (9) Just one problem (apart from the old roof falling off): it's 60 miles from my desk.
  • (10) On it rests the small village of Dholera – a cluster of houses with thatched roofs, muddy roads, and acres of flat, fertile land surrounding them.
  • (11) I have to put a roof over my son’s head.” Junior doctors will be balloted to decide whether to strike over a radical new contract imposed on them by the Department of Health, which redefines their normal working week to include Saturday and removes overtime rates for work between 7pm and 10pm every day except Sunday.
  • (12) Hydrogen sulfide poisoning from inhalation of roofing asphalt fumes is a rare but devastating injury.
  • (13) The keratinocytes of the blister roof showed aggregation of the tonofibrils at the periphery, and vacuolization of mitochondria and endoplasmic reticulum.
  • (14) The commemoration began when the clock on the neo-gothic Town Hall struck 12, and a maroon was fired from the roof.
  • (15) Glasgow Central station was also closed to the public after flying debris shattered part of the building's glass roof.
  • (16) Berkeley has launched a new design called the Urban House, a three-storey house with a private roof garden instead of a back garden.
  • (17) Now the fabric of the school is visibly crumbling: roofs leak and skylights are broken; the estimated cost of repairs is £1m.
  • (18) I went inside, and the sound of the rain on the roof and the darkness inside made me very afraid.
  • (19) The risk of getting malaria was greater for inhabitants of the poorest type of house construction (incomplete, mud, or cadjan (palm) walls, and cadjan thatched roofs) compared to houses with complete brick and plaster walls and tiled roofs.
  • (20) The operative method involves removal of portions of the orbital rim, orbital roof, and sphenoid bone.

Valley


Definition:

  • (n.) The space inclosed between ranges of hills or mountains; the strip of land at the bottom of the depressions intersecting a country, including usually the bed of a stream, with frequently broad alluvial plains on one or both sides of the stream. Also used figuratively.
  • (n.) The place of meeting of two slopes of a roof, which have their plates running in different directions, and form on the plan a reentrant angle.
  • (n.) The depression formed by the meeting of two slopes on a flat roof.

Example Sentences:

  • (1) However, as other patients who lived at the periphery of the Valserine valley do not appear to be related to any patients living in the valley, and because there has been considerable immigration into the valley, a number of hypotheses to explain the distribution of the disease in the region remain possible.
  • (2) We always feel like it's Hobbitshire – a green valley where nothing happens."
  • (3) In 1971 the Fountain Valley (Calif.) High School established a program at Fairview State Hospital in Costa Mesa.
  • (4) In primary culture, CSM cells attached to the culture vessels by 48 to 72 h, proliferated by 3 to 7 d, and reached confluency by 14 to 17 d with a "hill-and-valley" pattern.
  • (5) Although selenium deficiency in livestock is consequently now rare in Oregon, selenium-deficient soils and attendant selenium deficiency conditions have been reported near the Kesterson Wildlife Refuge in the Northern part of the San Joaquin Valley, California, where, paradoxically, selenium toxicity in wildfowl, nesting near evaporation ponds, occurred and attracted wide attention.
  • (6) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
  • (7) Even the landscape is secretive: vast tracts of crown land and hidden valleys with nothing but a dead end road and lonely farmhouse, with a tractor and trailer pulled across the farmyard for protection.
  • (8) 2589 sera from pathology laboratories in towns in the Murray Valley gave additional evidence of community immunity to flaviviruses and suggested some increase in the proportion reactive between January and May 1974.
  • (9) Wastewater from Mexico city is used to irrigate over 85 000 hectares, mainly of fodder and cereal crops in the Mezquital Valley.
  • (10) By means of immunoreactivity for spot 35 protein, a novel cerebellar Purkinje cell-specific protein, the regional heterogeneity among non-pigmented ciliary epithelial cells of rats was demonstrated with reference to the antero-posterior and crest-valley directions of individual ciliary epithelial folds in immature and mature eyes.
  • (11) Compounds 3a and 3c exhibited significant activity against vaccinia virus in vitro, whereas 4a was effective against Rift Valley fever virus in mice.
  • (12) Two “Belgian journalists” had been in the Panjshir valley of northern Afghanistan for weeks, supposedly waiting to interview Ahmad Shah Massoud, the so-called Lion of the Panjshir, leader of the anti-Taliban Northern Alliance, an al-Qaida adversary.
  • (13) At the World Economic Forum in Davos last week, Netanyahu declared he would not “uproot a single settler” from the Jordan Valley.
  • (14) The antibody response against flaviviruses tick-borne encephalitis (TBE), Kyasanur Forest disease (KFD), Murray Valley encephalitis (MVE), West Nile fever (WNF), Japanese B encephalitis (JE), dengue 2 (DEN-2), and yellow fever (YF) was studied in humans after administration of an inactivated TBE virus vaccine.
  • (15) The data discussed in this article were gathered through use of a retrospective cohort survey five years following a major flood in the Wyoming Valley of Pennsylvania.
  • (16) A recent study of foetal alcohol syndrome in the Fitzroy Valley, in remote Western Australia, found that 120 out of 1,000 children born in the largely Aboriginal community were affected by the condition, which impairs brain development and decision making and is connected with high rates of involvement in the justice system.
  • (17) The 5' non-coding region of the genomes of 11 isolates of Murray Valley encephalitis virus from Australia and Papua New Guinea were examined by primer extension sequencing.
  • (18) As part of a concerted effort to avoid the in danger listing, the Queensland government came up with an alternative plan to dump the sediment within an enclosed area of the Caley Valley wetlands, which is considered nationally important habitat for more than 15 species of migratory birds.
  • (19) The list is split between on and off-screen talent, including Sherlock producer Sue Vertue, the writer of Last Tango in Halifax and Happy Valley, Sally Wainwright, and Elisabeth Murdoch , founder of MasterChef producer Shine.
  • (20) Non-discrimination laws chart Although the decisive manner in which leaders from Silicon Valley and the business community rallied against – and ultimately helped change – the Indiana law marked a major turning point, Talbot conceded that the project itself is unfinished.