terrain flight low level flight | flight at very low altitudes |
reaction response | a bodily process occurring due to the effect of some antecedent stimulus or agent, a bad reaction to the medicine, his responses have slowed with age |
galvanic skin response GSR psychogalvanic response electrodermal response electrical skin response Fere phenomenon Tarchanoff phenomenon | a change in the electrical properties of the skin in response to stress or anxiety, can be measured either by recording the electrical resistance of the skin or by recording weak currents generated by the body |
immune response immune reaction immunologic response | a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen |
anamnestic response anamnestic reaction | renewed rapid production of an antibody on the second (or subsequent) encounter with the same antigen |
humoral immune response | an immune response (chiefly against bacterial invasion) that is mediated by B cells |
cell-mediated immune response | an immune response (chiefly against viral or fungal invasions or transplanted tissue) that involves T cells |
reflex reflex response reflex action instinctive reflex innate reflex inborn reflex unconditioned reflex physiological reaction | an automatic instinctive unlearned reaction to a stimulus |
conditional reflex conditioned reflex acquired reflex conditional reaction conditioned reaction conditional response conditioned response | an acquired response that is under the control of (conditional on the occurrence of) a stimulus |
learned reaction learned response | a reaction that has been acquired by learning |
conditioned avoidance conditioned avoidance response | a conditioned response that anticipates the occurrence of an aversive stimulus |
startle response startle reaction | a complicated involuntary reaction to a sudden unexpected stimulus (especially a loud noise), involves flexion of most skeletal muscles and a variety of visceral reactions |
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 |
frequency response | (electronics) a curve representing the output-to-input ratio of a transducer as a function of frequency |
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 |
response | the manner in which an electrical or mechanical device responds to an input signal or a range of input signals |
conditioned emotional response CER conditioned emotion | an emotional response that has been acquired by conditioning |
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 |
response | a phrase recited or sung by the congregation following a versicle by the priest or minister |
reception response | the manner in which something is greeted, she did not expect the cold reception she received from her superiors |
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 |
answer reply response | a statement (either spoken or written) that is made to reply to a question or request or criticism or accusation, I waited several days for his answer, he wrote replies to several of his critics |
high-level language | a problem-oriented language requiring little knowledge of the computer on which it will be run |
reply response | the speech act of continuing a conversational exchange, he growled his reply |