terrain flight low level flight | flight at very low altitudes |
blood-oxygenation level dependent functional magnetic resonance imaging BOLD FMRI | functional magnetic resonance imaging that relies on intrinsic changes in hemoglobin oxygenation |
Abney level | 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 |
airfoil aerofoil control surface surface | a device that provides reactive force when in motion relative to the surrounding air, can lift or control a plane in flight |
air-to-ground missile air-to-surface missile | a missile designed to be launched from an airplane at a target on the ground |
carpenter's level | a straight bar of light metal with a spirit level in it |
Dumpy level | a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level |
floor level storey story | a structure consisting of a room or set of rooms at a single position along a vertical scale, what level is the office on? |
ground floor first floor ground level | the floor of a building that is at or nearest to the level of the ground around the building |
horizontal surface level | a flat surface at right angles to a plumb line, park the car on the level |
level spirit level | indicator that establishes the horizontal when a bubble is centered in a tube of liquid |
level crossing grade crossing | intersection of a railway and a road on the same level, barriers close road when trains pass |
mason's level | a level longer than a carpenter's level |
paved surface | a level horizontal surface covered with paving material |
plumb level | a carpenter's level with a plumb line at right angles to it |
road surface | the paved surface of a paved roadway |
surface | the outer boundary of an artifact or a material layer constituting or resembling such a boundary, there is a special cleaner for these surfaces, the cloth had a pattern of red dots on a white surface |
surface gauge surface gage scribing block | gauge consisting of a scriber mounted on an adjustable stand, used to test the accuracy of plane surfaces |
surface lift | a ski tow that pulls skiers up a slope without lifting them off the ground |
surface search radar | a naval radar to search for surface targets |
surface ship | a warship that operates on the surface of the water |
surface-to-air missile SAM | a guided missile fired from land or shipboard against an airborne target |
surface-to-air missile system | the shipboard system that fires missiles at aircraft |
surveyor's level | surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis, for measuring relative heights of land |
upper surface | the side that is uppermost |
vertical surface | a surface that is vertical |
water level | a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube |
work surface | a horizontal surface for supporting objects used in working or playing games |
luminosity brightness brightness level luminance luminousness light | the quality of being luminous, emitting or reflecting light, its luminosity is measured relative to that of our sun |
degree grade level | a position on a scale of intensity or amount or quality, a moderate grade of intelligence, a high level of care is required, it is all a matter of degree |
amplitude level | the level on a scale of amplitude |
signal level | the amplitude level of the desired signal |
noise level background level | the amplitude level of the undesired background noise |
intensity strength intensity level | the amount of energy transmitted (as by acoustic or electromagnetic radiation), he adjusted the intensity of the sound, they measured the station's signal strength |
threshold level | the intensity level that is just barely perceptible |
acoustic power sound pressure level | the physical intensity of sound |
utmost uttermost maximum level best | the greatest possible degree, he tried his utmost |
area expanse surface area | the extent of a -dimensional surface enclosed within a boundary, the area of a rectangle, it was about square feet in area |
level | height above ground, the water reached ankle level, the pictures were at the same level |
grade ground level | the height of the ground on which something stands, the base of the tower was below grade |
water level | the level of the surface of a body of water |
sea level | 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 |
open surface | information that has become public, all the reports were out in the open, the facts had been brought to the surface |
surface | a superficial aspect as opposed to the real nature of something, it was not what it appeared to be on the surface |
surface chemistry | the branch of chemistry that studies processes occurring at interfaces between phases (especially those between liquid and gas) |
level layer stratum | an abstract place usually conceived as having depth, a good actor communicates on several levels, a simile has at least two layers of meaning, the mind functions on many strata simultaneously |
surface mail | mail that is sent by land or sea |
high-level formatting | (computer science) the format for the root directory and the file allocation tables and other basic configurations |
low-level formatting initialization initialisation | (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 |
price index price level | an index that traces the relative changes in the price of an individual good (or a market basket of goods) over time |