| 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 |
small civet
Viverricula indica
Viverricula malaccensis | a common civet of southeast Asia |
small white
Pieris rapae | small widely distributed form |
accelerator
throttle
throttle valve | a valve that regulates the supply of fuel to the engine |
| 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 |
firearm
piece small-arm | a portable gun, he wore his firearm in a shoulder holster |
| heart valve | an implant that replaces a natural cardiac valve |
| 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 |
| small boat | a boat that is small |
small computer system interface
SCSI | interface consisting of a standard port between a computer and its peripherals that is used in some computers |
| small ship | a ship that is small |
| small stores | personal items conforming to regulations that are sold aboard ship or at a naval base and charged to the person's pay |
| small stuff | any light rope used on shipboard |
triviality
trivia
trifle
small beer a | something of small importance |
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 |
| small | a garment size for a small person |
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 |
valvule
valvelet
valvula | a small valve |
| small intestine | the longest part of the alimentary canal, where digestion is completed |
| 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 |
| small | the slender part of the back |
pyloric sphincter
pyloric valve
musculus sphincter pylori | the sphincter muscle of the pylorus that separates the stomach from the duodenum |
small print
fine print | material printed in small type, he needed his glasses in order to read the fine print |
| fine print small print | the part of a contract that contains reservations and qualifications that are often printed in small type, don't sign a contract without reading the fine print |
small letter
lowercase
lowerase letter
minuscule | the characters that were once kept in bottom half of a compositor's type case |
small capital
small cap | a character having the form of an upperase letter but the same height as lowerase letters |
d chitchat
chithat
chit chat
small talk
gab
gabfest
gossip
tittle-tattle
chin wag
chin-wag
chin wagging
chin-wagging
causerie b | light informal conversation for social occasions |
little slam
small slam | winning all but one of the tricks in a hand of bridge |
| small cap | a corporation with a small capitalization, this annual conference is a showcase for ambitious small caps |
village
small town
settlement | a community of people smaller than a town |