HSI may refer to:

Science and technology

* Hardware Security Integration * HSI color space, used in computer vision applications *

Heterosubtypic immunity "Heterosubtypic immunity (HSI) is defined as cross-protection to infection with an influenza A virus serotype other than the one used for primary infection." In layman's terms: an 'infection with "seasonal" influenza A viruses could induce immunity ...

High Speed Interconnect Nvidia's BR02 "High Speed Interconnect" ("HSI") chip was used in their early PCI Express graphics cards, where it acted as a bridge between the PCI Express connection to the computer and the natively Accelerated Graphics Port, AGP Graphics proce ...

, a Nvidia computer chip *

Horizontal shaft impactor A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce ...

, a type of rock crusher *

Horizontal situation indicator The horizontal situation indicator (commonly called the HSI) is an aircraft flight instrument normally mounted below the artificial horizon in place of a conventional heading indicator. It combines a heading indicator with a VHF omnidirectional r ...

, an aircraft instrument *

Hurricane Severity Index The Hurricane Severity Index (or HSI) is a hurricane rating system which defines the strength and destructive capability of a storm. The HSI uses equations which incorporate the intensity of the winds and the size of the area covered by the winds. T ...

* Hyperspectral imaging

Other uses

* (surname), various Chinese surnames, romanized in Pinyin *

HSI (track team) HSI an initialism for Hudson Smith International, is an elite track and field training group and team centered on former UCLA coach John Walton Smith and sports agent/attorney Emanuel Hudson. The group was formed in 1996 after the former 1972 ...

Croatian Syrmian Initiative Croatian Syrmian Initiative ( hr, Hrvatska srijemska inicijativa, sr-cyrl, Хрватска сријемска иницијатива, Hrvatska srijemska inicijativa, HSI) was a political party in Serbia representing the Croat ethnic minority i ...

( hr, Hrvatska srijemska inicijativa, links=no), an ethnic-Croat political party in Serbia *

Hang Seng Index The Hang Seng Index (HSI) is a freefloat-adjusted market- capitalization-weighted stock-market index in Hong Kong. It is used to record and monitor daily changes of the largest companies of the Hong Kong stock market and is the main indicator ...

, a stock market index *

Hastings Municipal Airport Hastings Municipal Airport is two miles northwest of Hastings in Adams County, Nebraska. The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a "general aviation" airport. The first airline flights were Mid-West A ...

, in Hastings, Nebraska, United States * Hispanic-serving institution, an American college designation * Homeland Security Investigations, U.S. federal law enforcement agency *

Horizon Services Horizon Services, Inc. (HSI) is a nonprofit social service organization providing alcohol and drug treatment and recovery, mental health recovery, and substance abuse prevention services in Alameda, San Mateo , and Santa Clara counties in th ...

, an American rehabilitation clinic * Humane Society International, nonprofit organization for animal welfare *

Icelandic Handball Association '' , abbrev= HSÍ , logo= Iceland national handball team.png , logosize= 210px , countryflag= Iceland , iocnation= Iceland (ISL) , url= https://www.hsi.is/ , sport= Handball , othersport1= Beach Handball , othersport2= Wheelchair Handball , history ...

( is, Handknattleikssamband Íslands, links=no, ) *

, (aircraft avionics)

Science and technology

Other uses

See also