plug (redirected from epithelial plug)

plug

1. a device having one or more pins to which an electric cable is attached: used to make an electrical connection when inserted into a socket

2. a mass of solidified magma filling the neck of an extinct volcano

3. See sparking plug

4. 

a. a cake of pressed or twisted tobacco, esp for chewing

b. a small piece of such a cake

5. Angling a weighted artificial lure with one or more sets of hooks attached, used in spinning

6. a seedling with its roots encased in potting compost, grown in a tray with compartments for each individual plant

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plug [pləg]

(electricity)

The half of a connector that is normally movable and is generally attached to a cable or removable subassembly; inserted in a jack, outlet, receptacle, or socket.

(geology)

A vertical pipelike magmatic body representing the conduit to a former volcanic vent.

A crater filling of lava, the surrounding material of which has been removed by erosion.

A mass of clay, sand, or other sediment filling the part of a stream channel abandoned by the formation of a cutoff.

(metallurgy)

A rod or mandrel over which a pierced tube is forced, or that fills a tube as it is drawn through a die.

A punch or mandrel over which a cup is drawn.

A protruding portion of a die impression for forming a corresponding recess in the forging.

A false bottom in a die. Also known as peg.

(mining engineering)

A watertight seal in a shaft formed by removing the lining and inserting a concrete dam, or by placing a plug of clay over ordinary debris used to fill the shaft up to the location of the plug.

(science and technology)

A piece of material used to fill a hole.

A small segment of material removed from a larger object.