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shim

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.03 sec.

shim

A small piece of software that is added to an existing system program or protocol in order to provide some enhancement.

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
(jargon, memory management)shim - 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.


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The new dual guide blade system allows customers to easily shim the piercing tip to the type of scrap they're processing," says Kuhlmey, establishing higher degrees of tolerance for lighter material and reducing the risk of material jamming.
Genesis introduces enhanced XP shear by Construction & Demolition Recycling
We followed up 3-6 months later and administered a brief structured interview, the SHIM, and the Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) to assess sexual functioning and treatment satisfaction.
A Controlled Study to Evaluate the Impact of a Psychosexual ... by The Journal of Sex Research
And that was enough until Shim Imai dropped a bomb with his design for a Jeep for Hong Kong.
A Jeep for 2015? by Automotive Design & Production
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