| eclipse | 1. <astronomy> An interception or obscuration of the light of the sun, moon, or other luminous body, by the intervention of some other body, either between it and the eye, or between the luminous body and that illuminated by it. A lunar eclipse is caused by the moon passing through the earth's shadow; a solar eclipse, by the moon coming between the sun and the observer. A satellite is eclipsed by entering the shadow of its primary. The obscuration of a planet or star by the moon or a planet, though of the nature of an eclipse, is called an occultation. The eclipse of a small portion of the sun by Mercury or Venus is called a transit of the planet. In ancient times, eclipses were, and among unenlightened people they still are, superstitiously regarded as forerunners of evil fortune, a sentiment of which occasional use is made in literature. "That fatal and perfidious bark, Built in the eclipse, and rigged with curses dark." (Milton) 2. The loss, usually temporary or partial, of light, brilliancy, luster, honor, consciousness, etc.; obscuration; gloom; darkness. "All the posterity of our fist parents suffered a perpetual eclipse of spiritual life." (Sir W. Raleigh) "As in the soft and sweet eclipse, When soul meets soul on lovers' lips." (Shelley) Annular eclipse. Origin: F. Eclipse, L. Eclipsis, fr. Gr, prop, a forsaking, failing, fr. To leave out, forsake; out + to leave. See Ex-, and Loan. Source: Websters Dictionary (01 Mar 1998) |
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| eclipse blindness | Damage to the fovea centralis of the retina and the adjacent choroid due to the thermal action of infrared rays, consequent to sungazing or watching a solar eclipse without sufficient eye protection. See: photoretinopathy. Synonym: eclipse blindness, solar blindness. (05 Mar 2000) |
| eclipse period | The time between infection by (or induction of) a bacteriophage, or other virus, and the appearance of mature virus within the cell; an interval of time during which viral infectivity cannot be recovered. Synonym: eclipse phase. (05 Mar 2000) |
| eclipse phase | The time between infection by (or induction of) a bacteriophage, or other virus, and the appearance of mature virus within the cell; an interval of time during which viral infectivity cannot be recovered. Synonym: eclipse phase. (05 Mar 2000) |
| eclipse scotoma |
An area of blindness in the visual field caused by looking directly at a solar eclipse.
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| eclipse |
in virology, that period of the infective cycle during which infected bacterial cells contain no detectable infective bacteriophage.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| eclipse b. |
partial or total loss of central vision caused by a burn on the macula from direct fixation on the sun or from viewing a partial solar eclipse without proper protective lenses.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| eclipse period |
period during which viral genes are expressed, new virus genetic information and viral proteins are produced. Third step in the virus infection cycle.
Ãâó: bio.classes.ucsc.edu/bio80j/Lectures/virus%20gloss...
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| eclipse | one celestial body obscures another |
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| eclipse | cause an eclipse of (a celestial body) by intervention |
| eclipse | exceed in importance |
| eclipse | cause an eclipse of |
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