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echo sounder

(Encyclopedia) echo sounder, an older instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent medium for the…

echo, in acoustics

(Encyclopedia) echo, reflection of a sound wave back to its source in sufficient strength and with a sufficient time lag to be separately distinguished. If a sound wave returns within 1&fslsh;10…

Brewer's: Echo

The Romans say that Echo was a nymph in love with Narcissus, but her love not being returned, she pined away till only her voice remained. We use the word to imply similarity of sentiment…

Stir of Echoes

Director/Writer:David KoeppArtisan Entertainment; R; 99 minutesRelease:9/99Cast:Kevin Bacon, James Howard, Kathryn Erbe, Illeana Douglas In blue-collar Chicago a drunk electrician is…

Narcissus, in Greek mythology

(Encyclopedia) NarcissusNarcissusnärsĭsˈəs [key], in Greek mythology, beautiful youth who refused all offers of love, including that of Echo. As punishment for his indifference he was made to fall in…

sonar

(Encyclopedia) sonarsonarsōˈnär [key], device used underwater for locating submerged objects and for submarine communication by means of sound waves. The term sonar is an acronym for sound navigation…

Lewis Carroll: Echoes

EchoesLady Clara Vere de Vere Was eight years old, she said: Every ringlet, lightly shaken, ran itself in golden thread.She took her little porringer: Of me she shall not win renown: For the…

Christina Rossetti: Echo

EchoCome to me in the silence of the night; Come in the speaking silence of a dream; Come with soft rounded cheeks and eyes as bright As sunlight on a stream; Come back in tears, O…

William Blake: The Echoing Green

by WilliamBlakeThe ShepherdThe LambThe Echoing Green The sun does arise, And make happy the skies; The merry bells ring To welcome the Spring; The skylark and thrush, The birds of…

Denver, University of

(Encyclopedia) Denver, University of, at Denver; coeducational; United Methodist; chartered 1864 and opened as Colorado Seminary by John Evans and others. In 1880 it was reorganized as the Univ. of…