shim

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shim

1. a thin packing strip or washer often used with a number of similar washers or strips to adjust a clearance for gears, etc.
2. Physics a thin strip of magnetic material, such as soft iron, used to adjust a magnetic field

Shim

A thin piece, usually wedged-shaped, placed or driven into a joint to level or plumb a structural member.

shim

[shim]
(engineering)
In the manufacture of plywood, a long, narrow patch glued into the panel or cemented into the lumber core itself.
A thin piece of material placed between two surfaces to obtain a proper fit, adjustment, or alignment.

shim

A thin piece of wood, metal, or stone, usually tapered, which is inserted under one member so as to adjust its height; used in adjusting the height of one surface so that it is flush with another.

shim

(jargon, memory management)
A small piece of data inserted in order to achieve a desired memory alignment or other addressing property.

For example, the PDP-11 Unix linker, in split I&D (instructions and data) mode, inserts a two-byte shim at location 0 in data space so that no data object will have an address of 0 (and be confused with the C null pointer).

See also loose bytes.

shim

Software that allows an older version of a program, framework or protocol to use the newer updated version. The shim may intercept a call to a programming interface (API) and convert the parameters, or it may hand it off to another routine. See polyfill.
References in periodicals archive ?
A spokesperson for Stephens Gaskets explained, "We are excited to be able to offer this comprehensive range of high quality, durable shim washers to offer significant improvement in performance to every piece of machinery that uses these small but essential components.
And finally, nail the shims into place using three 2-in.
Both the preparation of master structure and nickel shim was performed with well-established technologies.
The cinderblocks and shims, mirroring one another's rectilinearity, pointed up the work's artifice by making visible its means of support, but with a naturalness, vis a vis the whole, of earth and sky.
is proud to announce the addition of 316 Stainless Steel Shim Stock to its already best-selling Branded [R] Shim line.
Put one shim behind the middle hinge and two shims behind the bottom hinge.
Whilst many of us still think of producing surface-relief mass produced holograms from nickel shims attached to heated rollers being pressed into thermoplastic materials using heat and pressure, the new generation of replication machines do not use metal shims, or rollers or even heat and pressure.
The measurement on the indicator is the amount of shims required.
If SHIMS is not being used, check FLASH (Dec 01-Jan 02) for the POC information.
We shall modify the existing mathematical models that describe the fluid flow inside extrusion dies, and we propose to insert specially designed shims into T-dies or coat-hanger dies that are used to deliver wide polymeric liquid layers, so that a larger number of narrow stripes can be generated simultaneously.