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Eclipse of Thales
The Eclipse of Thales, also called the Battle of the Eclipse, is the total solar eclipse of 28 May 585 BCE that interrupted a battle between the Lydians and the Medes.
Eclipse Sound
Eclipse Sound (Détroit d'Eclipse) is a channel in Nunavut, Canada, between northern Baffin Island and Bylot Island, a narwhal summering area and shipping route for the Mary River mine.
ECLIPSE study
ECLIPSE (Evaluation of COPD Longitudinally to Identify Predictive Surrogate End-points) was a GlaxoSmithKline-funded, 3-year observational cohort study (NCT00292552) of 2,164 COPD patients plus controls, which established COPD heterogeneity, the frequent exacerbator phenotype, biomarkers, and 8-year mortality markers.
Eclipse Ventures
Eclipse Ventures is a Palo Alto-based venture capital firm founded by Lior Susan in 2015, investing in early-stage companies in manufacturing, supply chain, transportation, and semiconductors.
Eclipses used for scientific discovery
Eclipses used for scientific discovery are solar and lunar eclipses exploited as natural experiments, most famously for observing the Sun's corona and testing general relativity in 1919.
Eclipsing binary
An eclipsing binary is a pair of stars that alternately pass in front of each other as seen from Earth, causing periodic dips in brightness.
Eclipso
Eclipso, also called the Spirit of Wrath, is a DC Comics demon created by Bob Haney and Lee Elias in House of Secrets #61 (1963), bound to the Heart of Darkness black diamond, possessing hosts during eclipses, and weakened by sunlight.
Eclipta prostrata
Eclipta prostrata (false daisy, bhringraj; syn. Eclipta alba) is an Asteraceae herb of moist tropical habitats, used in Ayurveda and TCM, with coumestans such as wedelolactone as key phytochemicals.
Ecliptic
The ecliptic is the plane of Earth's orbit around the Sun, seen from Earth as the great circle the Sun follows yearly, tilted 23.4° to the celestial equator.
Ecliptic coordinate system
The ecliptic coordinate system specifies positions on the celestial sphere by ecliptic longitude and latitude, measured from the ecliptic plane of Earth's orbit, and is widely used for solar system science.
Ecloga
The Ecloga (Ἐκλογή, "selection of the laws") is a Byzantine law book issued in March 741 by Emperor Leo III and his son Constantine V, reworking Justinian's legislation in Greek.
Eclogite
Eclogite is a dense metamorphic rock composed of red garnet and green omphacite, formed when basalt or gabbro is buried deep during subduction of oceanic crust.
Eclogues
The Eclogues, also known as the Bucolica, are a collection of ten pastoral poems by the Roman poet Vergil, written during the civil wars of the late 40s BCE.
Eclosion hormone
Eclosion hormone (EH) is a 62-amino-acid insect neuropeptide that triggers ecdysis, the shedding of the old cuticle at each molt's end; it was discovered in 1970 in silk moths.
ECM1
ECM1 (extracellular matrix protein 1, URBWD) is a secreted 85-kDa glycoprotein gene on human chromosome 1q21.2 with four splice variants; loss-of-function mutations cause lipoid proteinosis, and autoantibodies target it in lichen sclerosus.
Ecma International
Ecma International, formerly the European Computer Manufacturers Association, is a Swiss standards association founded in Geneva in 1961, best known for publishing the ECMAScript standard behind JavaScript.
ECMAScript
ECMAScript is a general-purpose programming language defined by the ECMA-262 standard and best known as the language embedded in web browsers, where JavaScript is its best-known implementation.
ECMO trial
ECMO trial NCT04678518 (MRC-01-20-155), a Hamad Medical Corporation study measuring IL-1, IL-2, IL-6, and TNF before and after ECMO decannulation; found cytokines largely unchanged despite post-decannulation SIRS.
ECMWF Ensemble Prediction System
The ECMWF Ensemble Prediction System (ENS) runs many parallel forecasts at the European Centre for Medium-Range Weather Forecasts to estimate probabilities of future weather, operational since 1992.
Ecnoglutide
Ecnoglutide (XW003/XW004) is a once-weekly cAMP-biased GLP-1 receptor agonist from Sciwind Biosciences, first approved in China in January 2026 for type 2 diabetes, with obesity trials and an oral formulation in development.
Eco-Drive
Eco-Drive, also written エコ・ドライブ, is the light-powered watch technology of Japan's Citizen Watch Co., introduced in 1995, running more than six months in darkness on a full charge.
Eco-Shop Marketing
Eco-Shop Marketing Berhad is a Malaysian fixed-price discount retailer, the country's largest dollar-store chain, founded by Lee Kar Whatt and listed on Bursa Malaysia in May 2025.
Eco-Site II
Eco-Site II, LLC was a Durham, North Carolina company formed in 2017 to build and operate wireless towers for carriers like Verizon and T-Mobile, acquired by Vertical Bridge in 2020.
Eco-socialism
Eco-socialism (ecosocialism) is a political ideology merging socialist economics with ecological politics, arguing capitalism cannot solve the environmental crisis on a finite planet; it traces to 1970s red-green thinkers, the 1980s German Green left, O'Connor's journal, and the 2001 Kovel-Löwy manifesto.
Eco-terrorism
Eco-terrorism, also called green terrorism or ecoterror, is criminal violence or threatened violence against people or property by subnational groups for environmental-political reasons, per the FBI's 2002 definition.
Ecobank Group
Ecobank Group is a pan-African banking group headquartered in Lomé, Togo, founded in 1985 to integrate Africa's financial markets, serving over 30 million customers across sub-Saharan Africa.
Ecobat
Ecobat is a battery recycling and resource recovery company headquartered in Dallas, Texas, that recycles lead-acid batteries and produces lead and lead alloys, and until 2026 also recycled lithium-ion batteries.
Ecobonus
Ecobonus is an Italian income-tax deduction for energy-efficiency upgrades to existing buildings, introduced by the 2007 financial law and covering insulation, windows, heat pumps, and boilers.
Ecobrogis/Eccobriga
Ecobrogis/Eccobriga (Ekkobriga), a fortified Galatian settlement and road station of the Trokmoi on the Ancyra–Tavium road in central Anatolia, probably at Kalekişla near Sulakyurt, Kırıkkale, Turkey; attested in the Antonine Itinerary, Peutinger Table, and Ravenna Cosmography.
EcoCeres怡斯莱
EcoCeres怡斯莱 is a Hong Kong-based biorefinery company that converts waste-based biomass, such as used cooking oil and animal fat, into renewable fuels including sustainable aviation fuel; incubated by Towngas, it reached unicorn status in 2025.