ESI or Esi may refer to:
Science and technology
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Earth Similarity Index
The Earth Similarity Index (ESI) is a proposed characterization of how similar a planetary-mass object or natural satellite is to Earth. It was designed to be a scale from zero to one, with Earth having a value of one; this is meant to simplify p ...
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Electrospray ionization, a technique used in
mass spectrometry
Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio of ions. The results are presented as a ''mass spectrum'', a plot of intensity as a function of the mass-to-charge ratio. Mass spectrometry is used ...
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Environmental Seismic Intensity scale
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Essential Science Indicators, by Clarivate
* Electronic supplementary information, in scientific publications; for example see
coordination polymerization
Computing
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Edge Side Includes, a markup language
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Electronically stored information (Federal Rules of Civil Procedure)
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Enclosure Services Interface, a computer protocol used in SCSI enclosures
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Enterprise Southbridge Interface, a motherboard interface
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ESI register, in the x86 microprocessor architecture
Medicine
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Electromagnetic source imaging
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Emergency Severity Index, a triage algorithm
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Epidural steroid injection
Organisations
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Electro Scientific Industries, an American high-technology company
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Employees' State Insurance, in India
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ESI Hospital metro station, Delhi
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ESI Hospital metro station (Hyderabad)
ESI - Basaidarapur metro station is located on the Pink Line of the Delhi Metro. As part of Phase III of Delhi Metro, the station was opened on 14 March 2018. It was earlier known as ESI Hospital Metro station but due to the efforts of Abhim ...
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Ernst Strüngmann Institute, a German research institute
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Erwin Schrödinger International Institute for Mathematical Physics, in Austria
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Escadron spécial d'intervention, now the Belgian Federal Police Special Units
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European Stability Initiative, a think tank
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ITT Educational Services, owner of the defunct ITT Technical Institute
People
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Esi Awuah, Ghanaian academic
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Esi Benyarku (born 1976), Canadian sprinter
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Esi Buobasa, Ghanaian activist
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Esi Edugyan (born 1978), Canadian novelist
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Esi Lufo (born 2001), Albanian footballer
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Esi Sutherland-Addy
Esi Sutherland-Addy is a Ghanaian academic, writer, educationalist, and human rights activist. She is a professor at the Institute of African Studies, where she has been senior research fellow, head of the Language, Literature, and Drama Section ...
, Ghanaian academic
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Esikeli Tonga (born 1988), Australian rugby league player
Other uses
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Enhanced Station Initiative
Since the late 20th century, the Metropolitan Transportation Authority has started several projects to maintain and improve the New York City Subway. Some of these projects, such as Automation of the New York City Subway, subway line automation, ...
, of the New York City Subway
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Enlightened self-interest, a philosophy in ethics
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Environmental Sustainability Index
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Ethical Sensory Introvert, in socionics
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Export substitution industrialization
* Early supplier involvement, an aspect of supplier integration in
new product development
New product development (NPD) or product development in business and engineering covers the complete process of launching a new product to the market. Product development also includes the renewal of an existing product and introducing a product ...
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North Alaskan Inupiatun language (ISO 639-3 code)
{{Disambiguation