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Webster’s Dictionary (1828)



353 words match “PIST”

PHILANTHROPE n.
A philanthropist. [Obs.] R. North.
PHYLACTOLAEMA; PHYLACTOLAEMATA n.
tentacles are arranged on a horseshoe-shaped lophophore, and the mouth is covered by an epistome. Called also Lophopoda, and hippocrepians.
PHYLLOUS a.
Homologous with a leaf; as, the sepals, petals, stamens, and pistils are phyllous organs.
PLACENTA n.
The part of a pistil or fruit to which the ovules or seeds are attached.
PLAY n.
Motion; movement, regular or irregular; as, the play of a wheel or piston; hence, also, room for motion; free and easy action. "To give them play, front and rear." Milton. The joints are let exactly into one another, that they have no play between them. Moxon.
PLUNGER n. 2 definitions
A long solid cylinder, used, instead of a piston or bucket, as a forcer in pumps.
PNEUMATIC; PNEUMATICAL a.
r Atmospheric. -- Pneumatic syringe, a stout tube closed at one end, and provided with a piston, for showing that the heat produced by compressing a gas will ignite substances. -- Pneumatic trough, a trough, generally made of wood or sheet metal, having a perforated shelf, and used, when filled with water or mercury,…
POINTAL n.
The pistil of a plant.
POLYCARPIC; POLYCARPOUS a.
Having several pistils in one flower.
PONTIFICIAN n.
One who adheres to the pope or papacy; a papist. [Obs.] Bp. Montagu.
PRESENT v.
To aim, point, or direct, as a weapon; as, to present a pistol or the point of a sword to the breast of another. Pesent arms (Mil.), the command in response to which the gun is carried perpendicularly in front of the center of the body, and held there with the left hand grasping it at the lower band, and the right hand…
PRESSURE n.
, Center, etc. -- Back pressure (Steam engine), pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. -- Fluid pressure, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions around a point. Rankine. --…
PROTERANDROUS a.
Having the stamens come to maturity before the pistil; -- opposed to proterogynous.
PROTEROGYNOUS a.
Having the pistil come to maturity before the stamens; protogynous; -- opposed to proterandrous.
PULSOMETER n.
and partly by the direct action of the steam on the water, without the intervention of a piston; -- also called vacuum pump.
PUMP n.
structed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston.
PYGOBRANCHIA n.
A division of opisthobranchiate mollusks having the branchiæ in a wreath or group around the anal opening, as in the genus Doris.
QUESTIONARY a.
Inquiring; asking questions; testing. "Questionary epistles." Pope.
RECIPROCATE v.
cating air. Dryden. Reciprocating engine, a steam, air, or gas engine, etc., in which the piston moves back and forth; -- in distinction from a rotary engine, in which the piston travels continuously in one direction in a circular path. -- Reciprocating motion (Mech.), motion alternately backward and forward, or up an…
RECUSANT a.
stated him to have placed his son in the household of the Countess of Derby, a recusant papist. Sir W. Scott.
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