All articles starting with E

Engraulis japonicus

Engraulis japonicus, the Japanese anchovy, is a small Northwest Pacific clupeiform fish of Engraulidae, described by Temminck & Schlegel in 1846, with 26–30 lower gill rakers, temperature-dependent spawning near 15 °C, and major fisheries in Japan, Korea, and China.

Engraulis mordax

Engraulis mordax, the northern anchovy (also North Pacific or California anchovy), is a small schooling forage fish from British Columbia to Baja California; IUCN Least Concern, boom-and-bust populations, US central subpopulation ACL 25,000 mt.

Engraving

Engraving is an intaglio printmaking technique in which a burin cuts lines into a copper or steel plate; first printed around 1430 in Germany, refined by Schongauer and Dürer, distinct from etching and wood engraving.

Engrish

Engrish: humorous, sometimes derogatory term for broken or nonsensical English in East Asia, especially Japan, from Japanese /l/-/r/ confusion; often decorative English aimed at Japanese readers, cataloged by Engrish.com.

Engro Elengy FSRU

The Engro Elengy FSRU is the floating storage and regasification vessel Exquisite at Pakistan's first LNG import terminal, at Port Qasim, operational since March 2015.

Oct 22, 2026

Enguerrand Quarton

Enguerrand Quarton, also spelled Charonton, was a 15th-century French painter active in Provence, known for the Pietà de Villeneuve-lès-Avignon and the Coronation of the Virgin.

Engystomops

Engystomops, the foam frogs or Neotropical puddle frogs, is a genus of nine leptodactylid frog species from southern Mexico to Bolivia, including the túngara frog E. pustulosus, known for floating foam nests built with ranaspumin-2 protein.

Enhanced 9-1-1

Enhanced 9-1-1 (E911) is a North American emergency telephone service, established in the mid-1970s, that automatically delivers a caller's telephone number and location to the public safety answering point.

Enhanced 911

Enhanced 911, also written E911 or E9-1-1, is a service that sends 911 calls to a public safety answering point together with the caller's telephone number and location, supplied automatically.

Sep 29, 2026

Enhanced biological phosphorus removal

Enhanced biological phosphorus removal (EBPR) is a wastewater treatment process in which polyphosphate-accumulating microorganisms, cycled anaerobically and aerobically, take up phosphorus that leaves with the waste sludge.

Enhanced CD

Enhanced CD, also called CD Plus or CD Extra, is a compact disc format, introduced in 1994, carrying audio tracks plus computer data such as videos and lyrics.

Enhanced Combat Helmet (United States)

The Enhanced Combat Helmet is a US Army, Marine Corps, and Navy combat helmet made from UHMWPE rather than para-aramids, offering more ballistic protection at a similar weight.

Enhanced community quarantine in Luzon

Enhanced community quarantine in Luzon: Duterte's COVID-19 lockdown of Luzon island declared March 16, 2020 (Proclamation 929), effective March 17, extended to April 30 and then May 15 in high-risk areas, with strict home quarantine, suspended transport, and essential-only economy.

Enhanced Defense Cooperation Agreement

Enhanced Defense Cooperation Agreement (EDCA), 2014 Philippines-US executive agreement enabling rotational US troop access, construction, and equipment prepositioning at Philippine military sites; implements the 1951 MDT and 1998 VFA; nine Agreed Locations after 2023 expansion; no permanent basing.

Enhanced Distributed Channel Access

Enhanced Distributed Channel Access (EDCA), certified as WMM, is the IEEE 802.11e contention-based access mechanism that gives Wi-Fi quality of service by sorting traffic into four priority classes: background, best effort, video, and voice.

Enhanced driver's license

An enhanced driver's license (EDL) is a U.S. state-issued license proving identity and citizenship, accepted for land and sea border reentry in place of a passport in five states.

Sep 29, 2026

Enhanced external counterpulsation

Enhanced external counterpulsation, or EECP, is a noninvasive therapy for chronic angina in which pneumatic cuffs on the legs inflate during diastole to improve coronary blood flow.

Enhanced Frequency Response (National Grid)

Enhanced Frequency Response (EFR) was a fast, sub-second frequency response service tendered by National Grid in Great Britain, awarding 200 MW of battery storage contracts in 2016.

Enhanced Fujita scale

The Enhanced Fujita scale (EF scale) rates tornado intensity from EF0 to EF5 based on damage; it has been used by the US National Weather Service since 2007.

Enhanced Graphics Adapter

The Enhanced Graphics Adapter (EGA) is an IBM PC graphics card introduced in 1984, offering graphics at up to 640 × 350 pixels with 16 colors.

Enhanced Inter-Cell Interference Coordination

Enhanced Inter-Cell Interference Coordination (eICIC) is an LTE technique, standardized in 3GPP Release 10, in which a macrocell periodically mutes transmissions so small cells serve users with less interference.

Enhanced Interior Gateway Routing Protocol

Enhanced Interior Gateway Routing Protocol (EIGRP) is a Cisco routing protocol for routing within a single autonomous system, using the DUAL algorithm for loop-free paths.

Enhanced interrogation techniques

Enhanced interrogation techniques (EITs) were CIA coercive methods, including waterboarding and sleep deprivation, used on 119 detainees from 2001 to 2009; the 2014 Senate study found them ineffective and more brutal than acknowledged.

Enhanced oil recovery

Enhanced oil recovery (EOR), also called tertiary recovery, injects fluids, gases, chemicals, or heat into an oil reservoir to alter rock or fluid properties and produce more oil.