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 ?
At the time of her death, Shim was covering the ongoing war between Iraqi Kurdish forces and Islamic State militants for control of the Syrian town of Kobani.
It's not always necessary to use shims on the top doorjamb--the casing will hold it in place.
In the fruit fly, the only mature blood cells present are myeloid cells, Shim said.
Thermal shims are needed to pull heat from these high power semiconductors and transfer it to heat dissipating devices such as fins, fans or heat pipes.
Shim predicted travellers will remain more value-conscious than they were before the global financial crisis, which was good news for all-inclusive resorts such as Club Med and cruise ships, and seek more personalised experiences instead of mass-tourism experiences.
Shim, who owns a Palmdale beauty-supply store, was arrested by officials in Mexico on Saturday along with Kwon, who authorities say participated in the attacks.
There was no difference in SHIM scores between hyperthyroid and hypothyroid patients.
This includes injection velocity, melt and mold temperature, the structure size, and relative contact area of the shim to the melt.
At the end of April, Purdue announced that Shim and his students had won a bicycle-design contest sponsored by the Taiwanese government.
A spokesman for Ford Components said: "Having the appearance and quality of a solid shim, the material is manufactured from a range of metals, including steel, stainless steel, aluminium and brass, and is peeled down to the right thickness at the point of use on the aircraft or vehicle assembly line, thus saving the need for the storage of a great number of shims of different thickness for shimming up.
DMS-4-828 moldable epoxy shim material is dimensionally accurate and millable.
Making a Name: Women's Surnames at Marriage and Beyond" by Claudia Goldin and Maria Shim, in Journal of Economic Perspectives (Spring 2004), Macalester College, 1600 Grand Ave.