| high-angle fire | fire from a cannon that is fired at an elevation greater than that for the maximum range |
| valve | one of the paired hinged shells of certain molluscs and of brachiopods |
| valve | the entire one-piece shell of a snail and certain other molluscs |
accelerator
throttle
throttle valve | a valve that regulates the supply of fuel to the engine |
angle bracket
angle iron | an L-shaped metal bracket |
| ball valve | any valve that checks flow by the seating of a ball |
| butterfly valve | a valve in a carburetor that consists of a disc that turns and acts as a throttle |
clack valve
clack
clapper valve | a simple valve with a hinge on one side, allows fluid to flow in only one direction |
diode rectifying tube
rectifying valve | a thermionic tube having two electrodes, used as a rectifier |
| exhaust valve | a valve through which burned gases from a cylinder escape into the exhaust manifold |
| heart valve | an implant that replaces a natural cardiac valve |
| high-angle gun | a cannon that can be fired at a high elevation for relatively short ranges |
| intake valve | a valve that controls the flow of fluid through an intake |
poppet
poppet valve | a mushroom-shaped valve that rises perpendicularly from its seat, commonly used in internalombustion engines |
rocker arm
valve rocker | a lever pivoted at the center, used especially to push a valve down in an internalombustion engine |
safety valve
relief valve
escape valve
escape cock
escape | a valve in a container in which pressure can build up (as a steam boiler), it opens automatically when the pressure reaches a dangerous level |
| slide valve | valve that opens and closes a passageway by sliding over a port |
sluicegate
sluice valve
floodgate
penstock head gate water gate | regulator consisting of a valve or gate that controls the rate of water flow through a sluice |
tube vacuum tube
thermionic vacuum tube
thermionic tube
electron tube
thermionic valve | electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope |
| valve | control consisting of a mechanical device for controlling the flow of a fluid |
| valve | device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone |
| valve-in-head engine | internalombustion engine having both inlet and exhaust valves located in the cylinder head |
wide-angle lens
fisheye lens | a camera lens having a wider than normal angle of view (and usually a short focal length), produces an image that is foreshortened in the center and increasingly distorted in the periphery |
| camera angle | the point of view of a camera |
mitral valve
bicuspid valve
left atrioventricular valve | valve with two cusps, situated between the left atrium and the left ventricle |
tricuspid valve
right atrioventricular valve | valve with three cusps, situated between the right atrium and the right ventricle, allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts |
| atrioventricular valve | either of two heart valves through which blood flows from the atria to the ventricles, prevents return of blood to the atrium |
| aortic valve | a semilunar valve between the left ventricle and the aorta, prevents blood from flowing from the aorta back into the heart |
| pulmonary valve | a semilunar valve between the right ventricle and the pulmonary artery, prevents blood from flowing from the artery back into the heart |
| semilunar valve | a heart valve with cusps shaped like half-moons, prevents blood from flowing back into the heart |
heart valve
cardiac valve | a valve to control one-way flow of blood |
| valve | a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it |
| ileocecal valve | valve between the ileum of the small intestine and the cecum of the large intestine, prevents material from flowing back from the large to the small intestine |
pyloric sphincter
pyloric valve
musculus sphincter pylori | the sphincter muscle of the pylorus that separates the stomach from the duodenum |
slant
angle | a biased way of looking at or presenting something |
| bracket angle bracket | either of two punctuation marks (`<' or `>') used in computer programming and sometimes used to enclose textual material |
| hour angle | the angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body |
| Angle | a member of a Germanic people who conquered England and merged with the Saxons and Jutes to become Anglo-Saxons |
| straight angle | an angle ofdegrees |
| helix angle | the constant angle at which a helix cuts the elements of a cylinder or cone |
| angle | the space between two lines or planes that intersect, the inclination of one line to another, measured in degrees or radians |
hour angle
HA | (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing, the right ascension for an observer at a particular location and time of day |
| plane angle | an angle formed by two straight lines (in the same plane) |
| spherical angle | an angle formed at the intersection of the arcs of two great circles |
| solid angle | an angle formed by three or more planes intersecting at a common point (the vertex) |
| inclination angle of inclination | (geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis) |
reentrant angle
reentering angle | an interior angle of a polygon that is greater thandegrees |
| salient angle | an angle pointing outward, an interior angle of a polygon that is less thandegrees |
interior angle
internal angle | the angle inside two adjacent sides of a polygon |
exterior angle
external angle | the supplement of an interior angle of a polygon |