EST or Est or est may stand for:

EST or Est or est

*EST, a student run volunteer EMS team at Washington University in St. Louis.
* est in French, meaning "east", as in referring to France and to the Alsace, Franche-Comté and Lorraine "régions"
* est - a Brazilian comtemporary brand of personal care products
* Est (Fire Emblem archetype), opposite of the Jeigan archetype in the Nintendo video game series
* EST.. - a New Zealand graffiti-influenced art label
* est. - abbreviation for "established"
* est. - abbreviation for "estimated" or "estimate"
* -est, a suffix used in English to form a superlative adjective or adverb
* est - abbreviation (purposely lower-cased) for Erhard Seminars Training, an active participant in the "Human Potential" movement of the 70's
* EST - abbreviation for Electronic Sell-Through


* EST - shorthand for the country of EST
* Est (Netherlands), a town in Gelderland.
* Est one of Burkina Faso's 13 administrative regions.
* Ed Sullivan Theater


* Esbjörn Svensson Trio, a Swedish jazz trio which issues recordings under the acronym "EST"


* Enlistment Screening Test - A very basic test used to determine a general ASVAB score.
* Erhard Seminars Training, a New Age Large Group Awareness Training seminar program


*Emergency Support Team, a student run volunteer EMS team at Washington University in St. Louis.
*Energy Saving Trust in the United Kingdom
*Edwards Systems Technology, a US and Canada based fire safety systems company sold in 2005 to General Electric
* Estonia (in, for example, the ISO 3166-1 alpha-3 country-code system)
* est - the Estonian language in ISO 639.2 or ISO 639-3 language codes


* Eastern Standard Time - three separate time zones use this name:
** the Australian time zone at UTC+10
** the Brazilian Eastern time zone at UTC-3
** the North American time zone at UTC-5
* European Summer Time - the daylight-saving time used in Europe.
* Eastern Summer Time - the daylight-saving time used in south-eastern Australia

Molecular Biology

* Expressed sequence tag, the (usually partial) sequence of a gene transcript in biology

Other uses

* Electroshock Therapy, subsequently known as "Electroconvulsive Therapy" (ECT)
* Electron Spiral Toroid (Energy technology)
* Entering Source Temperature
* Endodermal sinus tumor
* Golf's European Seniors Tour
* Building Empire State Building

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