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En plein air
En plein air, French for "in the open air," is outdoor painting directly from the subject. Associated with the Impressionists, it developed via Valenciennes, the Barbizon school, and the 1841 collapsible paint tube.
En Route Automation Modernization
En Route Automation Modernization (ERAM) is the Federal Aviation Administration's automation platform at all 20 en route centers in the continental United States, fully deployed in March 2015.
En Sarithiram
En Sarithiram (என் சரித்திரம், "My History") is the autobiography of U. V. Swaminatha Iyer, the Tamil scholar and manuscript hunter known as Tamil Thatha, serialized from 1940 to 1942 and published as a book in 1950.
En suite bathroom
An en suite bathroom is a bathroom joined directly onto a bedroom, for the use only of the people occupying that bedroom rather than opening onto a shared corridor.
En Vogue
En Vogue is an American all-female R&B and soul vocal quartet formed in Oakland, California, in 1989, which sold more than 20 million albums worldwide.
En-me-nuna
En-me-nuna is a legendary early ruler of Kish named in the Sumerian King List, fifth of the First Dynasty, assigned a 660-year reign and succeeded by his son Melem-Kish.
En-men-dur-ana
En-men-dur-ana, also written Enmeduranki, is the legendary seventh antediluvian king of Sippar in the Sumerian King List, a figure later linked to the biblical patriarch Enoch.
En-men-gal-ana
En-men-gal-ana (Sumerian en-me-en-gal-an-na; Enmegalanna) is a legendary antediluvian king of Bad-tibira in the Sumerian King List, second between En-men-lu-ana and Dumuzid, with a mythical reign of 28,800 years.
En-men-lu-ana
En-men-lu-ana is the third legendary antediluvian king in the Sumerian King List, a ruler of Bad-tibira credited with a 43,200-year reign and known only from later copies of the list.
En-nun-tarah-ana
En-nun-tarah-ana is the ninth king of the First Dynasty of Uruk in the Sumerian King List, credited with an 8-year reign and known from no contemporary inscription.
En-sipad-zid-ana
En-sipad-zid-ana is the legendary antediluvian king of Larak in the Sumerian King List, the third of five pre-Flood cities, credited with a reign of 28,800 years that scholars read as a sexagesimal construct.
En-tarah-ana
En-tarah-ana is the fourth legendary king of Kish in the Sumerian King List, credited with a reign of 420 years, 3 months, and 3 1/2 days.
En+ Group
En+ Group is a Russian vertically integrated producer of low-carbon aluminum and hydropower, founded in 2002, that controls RUSAL and is Russia's largest independent power producer by installed capacity.
Ena Sharples
Ena Sharples, Coronation Street mission-hall caretaker played by Violet Carson 1960–1980; hairnet, milk stout in the Rovers snug, 1,136 episodes, 'moral conscience of the cobbles'.
ENA: Dream BBQ
ENA: Dream BBQ is a free first-person surreal adventure game by Joel G and the ENA Team, adapting the ENA web series; Chapter 1 "Lonely Door" launched March 27, 2025 on Steam with over 96% positive reviews.
Enable Injections
Enable Injections is a Cincinnati, Ohio medical-device company, founded by Mike Hooven, that makes the enFuse wearable on-body injector delivering large-volume drugs under the skin instead of intravenously.
Enable Midstream Partners
Enable Midstream Partners was an Oklahoma City master limited partnership providing natural gas gathering, processing, transportation, and storage, created in 2013 and acquired by Energy Transfer in 2021.
Enabling Act of 1933
Enabling Act of 1933 (Ermächtigungsgesetz, Law to Remedy the Distress of the People and the Reich): German law passed 23 March 1933 in the Kroll Opera House, 444 to 94 votes, letting Hitler's cabinet legislate, even against the Weimar Constitution, until Allied repeal in 1945.
Enagás
Enagás, founded in 1972, is Spain's main natural gas transmission system operator, a listed company running more than 11,000 km of pipelines, six regasification terminals, and building hydrogen infrastructure.
Enai Noki Paayum Thota (எனை நோக்கி பாயும் தோட்டா)
Enai Noki Paayum Thota (எனை நோக்கி பாயும் தோட்டா), aka ENPT, is a 2019 Tamil action thriller by Gautham Vasudev Menon starring Dhanush and Megha Akash, with music by Darbuka Siva; delayed from 2016, released 29 November 2019.
ENAIRE
ENAIRE, formerly Aeropuertos Españoles y Navegación Aérea, is Spain's state-owned air navigation provider, controlling over 2 million square kilometers of airspace and holding 51% of Aena.
Enakalle
Enakalle, also written Enakale or Enakalli, was ruler of the Sumerian city-state of Umma around 2500 BC, who made peace with Eannatum of Lagash and was father of Ur-Lumma.
Enakkul Oruvan (எனக்குள் ஒருவன்) (2015 film)
Enakkul Oruvan (எனக்குள் ஒருவன்), aka Enakul Oruvan, is a 2015 Tamil psychological thriller directed by debutant Prasath Ramar, remaking Pawan Kumar's Kannada hit Lucia, with Siddharth in dual roles as an insomniac usher and film star, released 6 March 2015.
Enal
An enal, a contraction of alkene aldehyde, is an α,β-unsaturated aldehyde in which an aldehyde group is conjugated with an alkene; simple examples are acrolein and crotonaldehyde, and the ketone analog is the enone.
Enalapril
Enalapril (Vasotec) is an orally active ACE inhibitor prodrug hydrolyzed to enalaprilat, approved in 1985 for hypertension, symptomatic heart failure, and asymptomatic left ventricular dysfunction, with mortality benefit shown in CONSENSUS and SOLVD trials.
Enalaprilat
Enalaprilat is an intravenous angiotensin-converting enzyme (ACE) inhibitor used to treat hypertension when oral therapy is not practical; it is the active metabolite of enalapril.
Enalaprilat anhydrous
Enalaprilat anhydrous is the active diacid metabolite of enalapril, an ACE inhibitor given only intravenously (1.25 mg per 6 hours) for hypertension when oral therapy is impractical; onset 15 minutes, half-life about 11 hours.
Enamel fracture
Enamel fracture (ICD-11 NA0D.01), a traumatic crown fracture with loss of tooth substance confined to enamel, sparing dentin and pulp; about 31.2% of crown fractures, normal pulp tests, restored by smoothing, composite, or fragment reattachment.
Enamel infraction
Enamel infraction, also called craze line, is an incomplete crack confined to tooth enamel without loss of tooth substance, not crossing the amelodentinal junction; asymptomatic, common with age, bruxism, trauma, and usually untreated.
Enamel Microabrasion
Enamel microabrasion is a conservative dental technique developed in the mid-1980s that removes superficial enamel stains, mainly fluorosis and white spot lesions, using hydrochloric acid abrasive slurries, removing 10–200 μm of outer enamel.