Echo

Look up echo in Wiktionary, the free dictionary.

Echo most commonly refers to Echo (phenomenon), the reflection (and/or repetition) of a sound.

It may also refer to:

Computing

• Echo (command), a Unix, DOS and Microsoft Windows command to display a line of text
• Echo (framework), a web framework for Java programming
• The echo protocol, an internet protocol largely superseded by ping
• A command in programming languages to output one or more strings
• A discussion forum on FidoNet

Fiction and mythology

• Echo (mythology), a nymph
• Echo (comics), a superheroine in the Marvel universe
• Echo (Dollhouse), the protagonist of Dollhouse
• Echo (comic book), a comic book title by Terry Moore, launched in 2008
• Echo (1997 film), a 1997 TV film
• Echo (2003 film), a 2003 short film directed by Tom Oesch
• Echo (2007 film), a 2007 Danish film
• Echo (2008 film), a 2008 Australian film
• ECHO: Secrets of the Lost Cavern, a video game
• A race of aliens from the UK TV series Invasion Earth

Music

• "Echo" (Trapt song)
• "Echo" (Ciara song), a song by Ciara
• Echo (producer), a reggaeton producer
• Echo (Dave Burrell album)
• Echo (Tom Petty album)
• ECHO (music award)
• The Echo (venue)
• Echo Records, a record label
• Echo & the Bunnymen, a band
• "Echo", a song by Gorilla Zoe from the album Don't Feed Da Animals

Newspapers

• The Echo (Irish Newspaper), based in Dublin, Ireland
• The Byron Shire Echo, based in Byron Bay, Australia
• The Irish Echo, based in New York City
• The Liverpool Echo, based in Liverpool, England
• The Northern Echo, based in Darlington, England
• South Wales Echo, based in Cardiff, Wales
• Echo Weekly, based in Kitchener, Ontario

Organizations

• ECHO (European Commission), a department of the European Union
• Educational Concerns For Hunger Organization, an NGO
• Extended Care Health Option, a health coverage program
• Echo of Moscow, a Russian radio station

Places

• Echo, Inyo County, California
• Echo, Mendocino County, California
• Echo, Minnesota
• Echo, Oregon
• Echo, Aragón, Spain
• Echo Lake, California
• Echo Lake (California)
• Echo Lake, Washington
• Echo Summit
• Echo Township, Michigan
• Echo Township, Minnesota
• Echo Mountain Park, a ski area in Colorado

Science and Technology

• Echo class submarine, used by the Soviet Navy
• Echo satellite, one of the first communications satellites
• Echo sounding, a way to measure water depth
• Echocardiography, an imaging technique used to assess heart function in medicine
• Echovirus, short for "enteric cytopathic human orphan" virus
• Light echo, a visual phenomenon
• Signal reflection, a concept in telecommunications
• ECHO Clearinghouse, NASA's registry of Earth Science data and services, an early SOA example

Names of ships and boats

• Echo (steam tug), a steam tug on Puget Sound
• USS Echo (IX-95) a US Army supply ship from New Zealand (WW II)
• Echo class survey ship two classes of Royal Navy survey ship

Other uses

• Echo Outdoor Power Equipment, a landscaping and forestry tool manufacturer
• Echo Johnson, a model and actress
• 60 Echo, an asteroid
• Toyota Echo, a car
• A letter in the NATO phonetic alphabet
• The title of a poem by Christina Rosetti

See also

• Echoes
• Ecko
• EKCO

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