Word forms: plural, 3rd person singular present tense eclipses, present participle eclipsing, past tense, past participle eclipsed
1N-COUNT [oft adjective NOUN](日)食;(月)食 An eclipse of the sun is an occasion when the moon is between the earth and the sun, so that for a short time you cannot see part or all of the sun. An eclipse of the moon is an occasion when the earth is between the sun and the moon, so that for a short time you cannot see part or all of the moon. (日)食;(月)食
...an eclipse of the sun. [+ of]
日食
...the solar eclipse on May 21st.
5月21日的日食
...the total lunar eclipse.
月全食
2VERB 使黯然失色;使相形见绌;盖过 If one thing is eclipsed by a second thing that is bigger, newer, or more important than it, the first thing is no longer noticed because the second thing gets all the attention. 使黯然失色;使相形见绌;盖过
The gramophone had been eclipsed by new technology such as the compact disc. [beVERB-ed + by]
激光唱片等新技术使留声机黯然失色。
Of course, nothing is going to eclipse winning the Olympic title. [VERB noun]