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level Idioms & Phrases


a level

  • noun the advanced level of a subject taken in school (usually two years after O level)
WordNet

abney level

  • noun a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target
WordNet

air level

Air" lev`el
Definitions
  1. Spirit level. See Level.
Webster 1913

Air level, a spirit level

  • . See Spirit level (below).
Webster 1913

amplitude level

  • noun the level on a scale of amplitude
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background level

  • noun the amplitude level of the undesired background noise
    background level.
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biosafety level

  • noun the level of safety from exposure to infectious agents; depends on work practices and safety equipment and facilities
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biosafety level 1

  • noun exposure only to infectious agents that do not ordinarily cause human disease
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biosafety level 2

  • noun exposure to infectious agents that can cause disease in humans but whose potential for transmission is limited
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biosafety level 3

  • noun exposure to infectious agents that can be transmitted by the respiratory route and which can cause serious infection
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biosafety level 4

  • noun exposure to exotic infectious agents that pose a high risk of life-threatening disease and can be transmitted as an aerosol and for which there is no vaccine or therapy
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Blind level

  • (Mining), a level or drainage gallery which has a vertical shaft at each end, and acts as an inverted siphon. Knight.
Webster 1913

blood-oxygenation level dependent functional magnetic resonance imaging

  • noun functional magnetic resonance imaging that relies on intrinsic changes in hemoglobin oxygenation
    BOLD FMRI.
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Box level

  • a spirit level in which a glass-covered box is used instead of a tube.
Webster 1913

brightness level

  • noun the quality of being luminous; emitting or reflecting light
    luminance; brightness; luminosity; luminousness; light.
    • its luminosity is measured relative to that of our sun
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carpenter's level

  • noun a straight bar of light metal with a spirit level in it
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college level

  • noun the level of education that college students are assumed to have attained
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Contact level

  • a delicate level so pivoted as to tilt when two parts of a measuring apparatus come into contact with each other; used in precise determinations of lengths and in the accurate graduation of instruments.
Webster 1913

Dead level

  • a term applied to a flat country.
Webster 1913

dumpy level

  • noun a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
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energy level

  • noun a definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules
    energy state.
    • according to quantum theory only certain energy levels are possible
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Flying level

  • (Civil Engin.), a reconnoissance level over the course of a projected road, canal, etc.
Webster 1913

Foot level

  • (Gunnery), a form of level used in giving any proposed angle of elevation to a piece of ordnance. Farrow.
Webster 1913

Frame level

  • a mason's level.
Webster 1913

fuel level

  • noun the amount of fuel remaining
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Garpenter's level, Mason's level

  • either the plumb level or a straight bar of wood, in which is imbedded a small spirit level.
Webster 1913

ground level

  • noun the height of the ground on which something stands
    grade.
    • the base of the tower was below grade
  • noun the floor of a building that is at or nearest to the level of the ground around the building
    ground floor; first floor.
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groundwater level

  • noun underground surface below which the ground is wholly saturated with water
    groundwater level; water table.
    • spring rains had raised the water table
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high-level

  • adjective satellite at an elevated level in rank or importance
    high-ranking; high-level.
    • a high-level official
    • a high-level corporate briefing
    • upper-level management
  • adjective satellite occurring at or from a relative high altitude
    high-altitude.
    • high-level bombing
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high-level formatting

  • noun (computer science) the format for the root directory and the file allocation tables and other basic configurations
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high-level language

  • noun a problem-oriented language requiring little knowledge of the computer on which it will be run
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high-level radioactive waste

  • noun radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed
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intensity level

  • noun the amount of energy transmitted (as by acoustic or electromagnetic radiation)
    intensity; strength.
    • he adjusted the intensity of the sound
    • they measured the station's signal strength
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level best

  • noun the greatest possible degree
    uttermost; utmost; maximum.
    • he tried his utmost
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level crossing

  • noun intersection of a railway and a road on the same level; barriers close road when trains pass
    grade crossing.
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Level line

  • (Shipbuilding), the outline of a section which is horizontal crosswise, and parallel with the rabbet of the keel lengthwise.
Webster 1913

Level of the sea

  • the imaginary level from which heights and depths are calculated, taken at a mean distance between high and low water.
Webster 1913

level off

  • verb become level or even
    level.
    • The ground levelled off
WordNet

Level surface

  • (Physics), an equipotential surface at right angles at every point to the lines of force.
Webster 1913

level-headed

  • adjective satellite exercising or showing good judgment
    healthy; levelheaded; sound; intelligent.
    • healthy scepticism
    • a healthy fear of rattlesnakes
    • the healthy attitude of French laws
    • healthy relations between labor and management
    • an intelligent solution
    • a sound approach to the problem
    • sound advice
    • no sound explanation for his decision
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Line of levels

  • a connected series of measurements, by means of a level, along a given line, as of a railroad, to ascertain the profile of the ground.
Webster 1913

low level flight

  • noun flight at very low altitudes
    terrain flight.
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low-level

  • adjective satellite not intense
    • low-level radiation
  • adjective lower in rank or importance
    subordinate.
  • adjective satellite at a low level in rank or importance
    • a low-level job
    • low-level discussions
  • adjective satellite occurring at a relatively low altitude
    low-altitude.
    • a low-level strafing run
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low-level formatting

  • noun (computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position
    initialization; initialisation.
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low-level radioactive waste

  • noun (medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests)
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mason's level

  • noun a level longer than a carpenter's level
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middle-level

  • adjective satellite intermediate in rank or position
    • middle-level management
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noise level

  • noun the amplitude level of the undesired background noise
    background level.
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o level

  • noun the basic level of a subject taken in school
    General Certificate of Secondary Education; GCSE.
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Pendulum level

  • a plumb level. See under Level.
Webster 1913

Plumb level

  • noun a carpenter's level with a plumb line at right angles to it
WordNet
  • one in which a horizontal bar is placed in true position by means of a plumb line, to which it is at right angles.
Webster 1913

poverty level

  • noun a level of personal income defining the state of poverty
    poverty line.
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pressure level

  • noun the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)
    pressure; force per unit area.
    • the compressed gas exerts an increased pressure
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price level

  • noun an index that traces the relative changes in the price of an individual good (or a market basket of goods) over time
    price index.
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sea level

  • noun level of the ocean's surface (especially that halfway between mean high and low tide); used as a standard in reckoning land elevation or sea depth
WordNet
Sea" lev"el
Definitions
  1. The level of the surface of the sea; any surface on the same level with the sea.
Webster 1913

sea-level

  • adjective satellite lying below the normal level
    low-lying.
    • a low-lying desert
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sea-level pressure

  • noun the atmospheric pressure reduced by a formula to the pressure at sea level
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signal level

  • noun the amplitude level of the desired signal
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sound pressure level

  • noun the physical intensity of sound
    acoustic power.
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Spirit level

  • noun indicator that establishes the horizontal when a bubble is centered in a tube of liquid
    level.
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  • one in which the adjustment to the horizon is shown by the position of a bubble in alcohol or ether contained in a nearly horizontal glass tube, or a circular box with a glass cover.
Webster 1913

Summit level

  • the highest level of a canal, a railroad, or the like, in surmounting an ascent.
Webster 1913

support level

  • noun (stock market) the price at which a certain security becomes attractive to investors
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Surveyor's level

  • noun surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land
WordNet
  • a telescope, with a spirit level attached, and with suitable screws, etc., for accurate adjustment, the whole mounted on a tripod, for use in leveling; called also leveling instrument.
Webster 1913

threshold level

  • noun the intensity level that is just barely perceptible
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upper-level

  • adjective satellite at an elevated level in rank or importance
    high-ranking; high-level.
    • a high-level official
    • a high-level corporate briefing
    • upper-level management
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Vane of a leveling staff

  • . (Surv.) Same as Target, 3.
Webster 1913

Water level

  • noun the level of the surface of a body of water
  • noun underground surface below which the ground is wholly saturated with water
    groundwater level; water table.
    • spring rains had raised the water table
  • noun a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship
    water line; waterline.
  • noun a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube
WordNet
  • an instrument to show the level by means the surface of water in a trough, or in upright tubes connected by a pipe.
Webster 1913

Y level

  • (Surv.), an instrument for measuring differences of level by means of a telescope resting in Y's.
Webster 1913