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y which it can be suspended, as from the top of a wall. -- Hook motion (Steam Engin.), a valve gear which is reversed by V hooks. -- Hook squid, any squid which has the arms furnished with hooks, instead of suckers, as in the genera Enoploteuthis and Onychteuthis. -- Hook wrench, a wrench or spanner, having a hook a…

in which the receptacle is a funnel standing on a draintrap. -- Hopper cock, a faucet or valve for flushing the hopper of a water-closet.

A discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks; a water plug.

which a portion is to be raised. When the rush of water through the main pipe d shuts the valve at a, the momentum of the current thus suddenly checked forces part of it into the air chamber b, and up the pipe c, its return being prevented by a valve at the entrance to the air chamber, while the dropping of the valve a…

Pertaining to the ileum and colon; as, the ileocolic, or ileocæcal, valve, a valve where the ileum opens into the large intestine.

A tribe of bivalve mollusks, characterized by the closed state of the mantle which envelops the body. The ship borer (Teredo navalis) is an example.

condenser; -- called also inductorium, and Ruhmkorff's coil. -- Induction pipe, port, or valve, a pipe, passageway, or valve, for leading or admitting a fluid to a receiver, as steam to an engine cylinder, or water to a pump. -- Magnetic induction, the action by which magnetic polarity is developed in a body suscepti…

The cold water thrown into a condenser. Injection cock, or Injection valve (Steam Eng.), the cock or valve through which cold water is admitted into a condenser. -- Injection condenser. See under Condenser. -- Injection pipe, the pipe through which cold water is through into the condenser of a steam engine.…

An extinct genus of large, fossil, bivalve shells,allied to the mussels. The genus is characteristic of the Cretaceous period.

Having the pallial line entire, or without a sinus, as certain bivalve shells.

Within the colon; as, the intracolic valve.

Between valves.

The external margin of the aperture of a shell. See Univalve.

The amount of retardation of anything, as of a valve in a steam engine, in opening or closing.

A class of Mollusca including all those that have bivalve shells, as the clams, oysters, mussels, etc.

The amount by which a slide valve at its half stroke overlaps a port in the seat, being equal to the distance the valve must move from its mid stroke position in order to begin to open the port. Used alone, lap refers to outside lap. See Outside lap (below).

ine engines, a shaft, driven by a small auxiliary engine, for independently operating the valves of the main engine to insure uniform motion.

The width of port opening which is uncovered by the valve, for the admission or release of steam, at the instant when the piston is at end of its stroke.

s of a leaf together with silk; esp., Teras cinderella, found on the apple tree. -- Leaf valve, a valve which moves on a hinge. -- Leaf wasp (Zoöl.), a sawfiy. -- To turn over a new leaf, to make a radical change for the better in one's way of living or doing. [Colloq.] They were both determined to turn over a new l…

A pod dehiscent into two pieces or valves, and having the seed attached at one suture, as that of the pea.