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 |
| 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 |
| plumb level | a carpenter's level with a plumb line at right angles to it |
| 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 |
| water level | a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube |
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 |
| 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 |
auditory meatus
acoustic meatus
ear canal
auditory canal
external auditory canal | either of the passages in the outer ear from the auricle to the tympanic membrane |
| auditory ossicle | ossicles of the middle ear that transmit acoustic vibrations from the eardrum to the inner ear |
| auditory system | the sensory system for hearing |
| auditory apparatus | all of the components of the organ of hearing including the outer and middle and inner ears |
Eustachian tube
auditory tube | either of the paired tubes connecting the middle ears to the nasopharynx, equalizes air pressure on the two sides of the eardrum |
labyrinthine artery
artery of the labyrinth
internal auditory artery | an artery that is a branch of the basilar artery that supplies the labyrinth |
labyrinthine vein
internal auditory vein | veins that drain the inner ear |
| auditory center | the part of the brain (in a fold of the cerebral cortex of the temporal lobe on both sides of the brain) that receives impulses from the ear by way of the auditory nerve |
acoustic nerve
auditory nerve
vestibulocochlear nerve
nervus vestibulocochlearis
eighth cranial nerve | a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea |
auditory area
auditory cortex | the cortical area that receives auditory information from the medial geniculate body |
hearing
audition
auditory sense
sense of hearing
auditory modality | the ability to hear, the auditory faculty, his hearing was impaired |
auditory perception
sound perception | the perception of sound as a meaningful phenomenon |
sound
auditory sensation | the subjective sensation of hearing something, he strained to hear the faint sounds |
| auditory image | a mental image that is similar to an auditory perception |
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 |
| 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 |
| high-level language | a problem-oriented language requiring little knowledge of the computer on which it will be run |
| auditory communication | communication that relies on hearing |
waterline
water line
water level | 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 table
water level
groundwater level | underground surface below which the ground is wholly saturated with water, spring rains had raised the water table |
energy level
energy state | a definite stable energy that a physical system can have, used especially of the state of electrons in atoms or molecules, according to quantum theory only certain energy levels are possible |