Air pump () A kind of pump for exhausting air from a vessel or closed space |
Air pump () A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air. |
Chain pump () A pump consisting of an endless chain, running over a drum or wheel by which it is moved, and dipping below the water to be raised. The chain has at intervals disks or lifts which fit the tube through which the ascending part passes and carry the water to the point of discharge. |
Diaphragm (n.) A dividing membrane or thin partition, commonly with an opening through it. |
Diaphragm (n.) The muscular and tendinous partition separating the cavity of the chest from that of the abdomen |
Diaphragm (n.) A calcareous plate which divides the cavity of certain shells into two parts. |
Diaphragm (n.) A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope. |
Diaphragm (n.) A partition in any compartment, for various purposes. |
Double (a.) Twofold |
Double (a.) Being in pairs |
Double (a.) Divided into two |
Double (a.) Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double. |
Double (adv.) Twice |
Double (a.) To increase by adding an equal number, quantity, length, value, or the like |
Double (a.) To make of two thicknesses or folds by turning or bending together in the middle |
Double (a.) To be the double of |
Double (a.) To pass around or by |
Double (a.) To unite, as ranks or files, so as to form one from each two. |
Double (v. i.) To be increased to twice the sum, number, quantity, length, or value |
Double (v. i.) To return upon one's track |
Double (v. i.) To play tricks |
Double (v. i.) To set up a word or words a second time by mistake |
Double (n.) Twice as much |
Double (n.) Among compositors, a doublet (see Doublet, 2.) |
Double (n.) That which is doubled over or together |
Double (n.) A turn or circuit in running to escape pursues |
Double (n.) Something precisely equal or counterpart to another |
Double (n.) A player or singer who prepares to take the part of another player in his absence |
Double (n.) Double beer |
Double (n.) A feast in which the antiphon is doubled, hat is, said twice, before and after the Psalms, instead of only half being said, as in simple feasts. |
Double (n.) A game between two pairs of players |
Double (n.) An old term for a variation, as in Bach's Suites. |
Double-acting (a.) Acting or operating in two directions or with both motions |
Double-bank (v. t.) To row by rowers sitting side by side in twos on a bank or thwart. |
Double-banked (a.) Applied to a kind of rowing in which the rowers sit side by side in twos, a pair of oars being worked from each bank or thwart. |
Double-barreled (a.) Alt. of -barrelled |
Double-beat valve () See under Valve. |
Double-breasted (a.) Folding or lapping over on the breast, with a row of buttons and buttonholes on each side |
Double-charge (v. t.) To load with a double charge, as of gunpowder. |
Double-charge (v. t.) To overcharge. |
Double dealer () One who practices double dealing |
Double dealing () False or deceitful dealing. See Double dealing, under Dealing. |
Double-decker (n.) A man-of-war having two gun decks. |
Double-decker (n.) A public conveyance, as a street car, with seats on the roof. |
Double-dye (v. t.) To dye again or twice over. |
Double-dyed (a.) Dyed twice |
Double-ender (n.) A vessel capable of moving in either direction, having bow and rudder at each end. |
Double-ender (n.) A locomotive with pilot at each end. |
Double-entendre (n.) A word or expression admitting of a double interpretation, one of which is often obscure or indelicate. |
Double-eyed (a.) Having a deceitful look. |
double fault | (tennis) two successive faults in serving resulting in the loss of the point |
double stopping | stopping two strings and producing two notes at the same time |
line-drive double line double | a double resulting from a line drive |
double two-base hit two-bagger two-baser | a base hit on which the batter stops safely at second base, he hit a double to deep centerfield |
double-blind procedure double-blind experiment double-blind study | an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment, a double-blind procedure is used to guard against both experimenter bias and placebo effects |
pump priming | introducing water into a pump to improve the seal and start the water flowing |
double leg circle | a gymnastic exercise performed on the pommel horse when the gymnast (with legs together) swings his legs in a circle while alternating hands on the pommels |
twin bill doubleheader double feature | two games instead of one (especially in baseball when the same two teams play two games on the same day) |
double dribble | an illegal dribble in basketball (the player uses both hands to dribble or the player starts to dribble a second time after coming to a stop) |
double Dutch | the difficult version of jump rope in which players jump over two ropes that are swung in a crisscross manner by two turners |
daily double | a single bet on two horse races in the same day |
double reverse | (American football) a running play in which a first reverse is followed by a second reverse |
double play | the act of getting two players out on one play |
double entry double-entry bookkeeping | bookkeeper debits the transaction to one account and credits it to another |
double cross doublerossing | an act of betrayal, he gave us the old double cross, I could no longer tolerate his impudent doublerossing |
duplicity double-dealing | acting in bad faith, deception by pretending to entertain one set of intentions while acting under the influence of another |
double blind | a test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed, designed to reduce or eliminate bias in the results |
doubling double | raising the stakes in a card game by a factor of , I decided his double was a bluff |
double take | a delayed reaction indicating surprise |
deficit spending compensatory spending pump priming | spending money raised by borrowing, used by governments to stimulate their economy |
double jeopardy | the prosecution of a defendant for a criminal offense for which he has already been tried, prohibited in the fifth amendment to the United States Constitution |
air pump vacuum pump | a pump that moves air in or out of something |
auxiliary pump donkey pump | a supplementary pump available if needed |
bass fiddle bass viol bull fiddle double bass contrabass string bass | largest and lowest member of the violin family |
bicycle pump | a small pump that fills bicycle tires with air |
bilge pump | a pump to remove bilgewater |
a bus autobus coach charabanc double-decker jitney motorbus motorcoach omnibus passenger vehicle | a vehicle carrying many passengers, used for public transport, he always rode the bus to work |
centrifugal pump | a pump that use centrifugal force to discharge fluid into a pipe |
condensation pump diffusion pump | vacuum pump used to obtain a high vacuum |
contrabassoon contrafagotto double bassoon | the bassoon that is the largest instrument in the oboe family |
diaphragm stop | a mechanical device in a camera that controls size of aperture of the lens, the new cameras adjust the diaphragm automatically |
diaphragm | electro-acoustic transducer that vibrates to receive or produce sound waves |
diaphragm pessary contraceptive diaphragm | a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic, it is filled with spermicide and fitted over the uterine cervix |
double bed | a bed wide enough to accommodate two sleepers |
double-bitted ax double-bitted axe Western ax Western axe | an ax that has cutting edges on both sides of the head |
double boiler double saucepan | two saucepans, one fitting inside the other |
double-breasted jacket | a jacket having fronts that overlap enough for two separate rows of buttons |
double-breasted suit | a suit with a double-breasted jacket |
double clinch | a clinch with two loops |
double crochet double stitch | a kind of crochet stitch |
double door | two vertical doors that meet in the middle of the door frame when closed |
double glazing | a window with two panes of glass and a space between them, reduces heat and noise transmission through the window |
double-hung window | a window having two sashes that slide up and down |
double knit | a knit fabric similar to jersey that is made with two sets of needles producing a double thickness joined by interlocking stitches |
double-prop double-propeller plane twin-prop twin-propeller-plane | a propeller plane with an engine that drives two propellers in opposite directions (for stability) |
double reed | a pair of joined reeds that vibrate together to produce the sound in some woodwinds |
doubleeed instrument double reed | a woodwind that has a pair of joined reeds that vibrate together |
force pump | pump used to force a liquid up and expel it under pressure |
gas pump gasoline pump petrol pump island dispenser | a pump in a service station that draws gasoline from underground storage tanks |
hand pump | a pump worked by hand |