| start starting | a turn to be a starter (in a game at the beginning), he got his start because one of the regular pitchers was in the hospital, his starting meant that the coach thought he was one of their best linemen |
| 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 |
| auxiliary airfield | an airfield that functions in a subsidiary capacity |
auxiliary boiler
donkey boiler | (nautical) an extra boiler (as a ship's boiler that is used while the ship is in port) |
auxiliary engine
donkey engine | (nautical) a small engine (as one used on board ships to operate a windlass) |
auxiliary pump
donkey pump | a supplementary pump available if needed |
| auxiliary research submarine | a submarine for research purposes |
auxiliary storage
external storage
secondary storage | a data storage device that is not the main memory of a computer |
| 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 |
crank handle
starting handle | crank used to start an engine |
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 |
| intake valve | a valve that controls the flow of fluid through an intake |
off-line equipment
auxiliary equipment | electronic equipment not in direct communication (or under the control of) the central processing unit |
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 |
starter starter motor
starting motor | an electric motor for starting an engine |
| starting block | block providing bracing for a runner's feet at start of a race |
starting gate
starting stall | a movable barrier on the starting line of a race course |
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 |
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 |
| auxiliary verb | a verb that combines with another verb in a verb phrase to help form tense, mood, voice, or condition of the verb it combines with |
modal auxiliary verb
modal auxiliary
modal verb
modal | an auxiliary verb (such as `can' or `will') that is used to express modality |
starting signal
start | a signal to begin (as in a race), the starting signal was a green light, the runners awaited the start |
| starting post | a post marking the starting point of a race (especially a horse race) |
| auxiliary cell | a terrorist cell responsible for logistics, usually large and less compartmentalized than other terrorist cells |
start
starting line
scratch
scratch line | a line indicating the location of the start of a race or a game |
aide
auxiliary | someone who acts as assistant |
| starting pitcher | (baseball) a pitcher who starts in a baseball game |
auxiliary operation
off-line operation | a operation performed by off-line equipment not under the control of the central processing unit |