liner (redirected from line drive)

liner¹

1. a passenger ship or aircraft, esp one that is part of a commercial fleet

2. See freightliner

---

liner²

1. a material used as a lining

2. Engineering a sleeve, usually of a metal that will withstand wear or corrosion, fixed inside or outside a structural component or vessel

---

liner [′līn·ər]

(design engineering)

A replaceable tubular sleeve inside a hydraulic or pump-pressure cylinder in which the piston travels.

(engineering)

A string of casing in a borehole.

(metallurgy)

The cylindrical chamber that holds the billet for extrusion.

The slab of coating metal that is placed on the core alloy and is subsequently rolled down to form a clad composite.

(mining engineering)

A foot piece for uprights in timber sets.

Timber supports erected to reinforce existing sets which are beginning to collapse due to heavy strata pressure.

A bar put up between two other bars to assist in carrying the roof.

Replaceable facings inside a grinding mill.

(naval architecture)

A merchant vessel engaged in regular, usually high-speed service.