# MDI

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**MDI** may refer to:

## Computer science

- [Media Delivery Index](/source/Media_Delivery_Index), a metric used in IPTV networks
- [Medium-dependent interface](/source/Medium-dependent_interface) (MDI) and medium-dependent interface crossover (MDI-X), types of Ethernet port connections
- [Microsoft Document Imaging Format](/source/Microsoft_Document_Imaging_Format), a proprietary file format
- [Mission Data Interface](/source/Mission_Data_Interface), an interface developed by NUWC Keyport
- [Multiple-document interface](/source/Multiple-document_interface), a type of software application interface
- Multi-Draw Indirect, a [rendering](/source/Rendering_(computer_graphics)) technique
- [Mean decrease in impurity](/source/Random_forest#Mean_decrease_in_impurity_feature_importance) feature importance (machine learning)

## Health

- [Major Depression Inventory](/source/Major_Depression_Inventory), a self-report mood inventory developed by the World Health Organization
- [Metered-dose inhaler](/source/Metered-dose_inhaler), a device that helps deliver a specific amount of medication to the lungs
- [Multiple drug intake](/source/Multiple_drug_intake), an unnatural cause of death
- Multiple Daily Injections, a technique of [intensive insulinotherapy](/source/Intensive_insulinotherapy)
- Mental Development Index, a measure of the cognitive abilities of infants and part of the [Bayley Scales of Infant Development](/source/Bayley_Scales_of_Infant_Development)

## Organizations

- [Management Development Institute](/source/Management_Development_Institute), a business school in Gurgaon, India
- [Merchants Distributors, Inc.](/source/Merchants_Distributors,_Inc.), a wholesale grocery store distributor based in Hickory, North Carolina
- [Movement for Democracy and Independence](/source/Movement_for_Democracy_and_Independence), a former political party in the Central African Republic
- [Motor Development International](/source/Motor_Development_International), a compressed air car maker

## Other uses

- [Mount Desert Island](/source/Mount_Desert_Island), an island off the coast of the U.S. state of Maine
- [Methylene diphenyl diisocyanate](/source/Methylene_diphenyl_diisocyanate), a chemical
- [Michelson Doppler Imager](/source/Michelson_Doppler_Imager), an instrument on board the SOHO spacecraft
- [1501](/source/1501), in Roman numerals
- Medically determinable impairment, a factor in establishing disability under [Social Security Disability Insurance](/source/Social_Security_Disability_Insurance) and [Supplemental Security Income](/source/Supplemental_Security_Income)

## See also

- [MD1](/source/MD1) Ministry of Defence 1, a British weapon research and development organisation of the Second World War

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Adapted from the Wikipedia article [MDI](https://en.wikipedia.org/wiki/MDI) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/MDI?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.