eclipse

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A 'smokeless cigarette' developed and marketed by RJ Reynolds
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

Eclipse

Vascular surgery A laser for performing transmyocardial revascularizationn–TMR and percutaneous transluminal myocardial revascularization–PTMR
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

eclipse

(ĕ-klips′) [Gr. ekleipein, to leave out, omit]
To make or become dark or obscure.
eclipse
Medical Dictionary, © 2009 Farlex and Partners

eclipse

  1. the period during which a virus exists as a free nucleic acid in the host cell, so called because nothing seems to be happening during this phase.
  2. (of plumage in birds) occurring for a short time after the breeding plumage is moulted, particularly in ducks.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
The most dramatic moments to be captured on video are the fleeting seconds at the beginning and end of totality as the Sun's shrinking crescent gives way to Baily's Beads and the diamond ring.
Then one side of the Moon rapidly brightened into a dazzling display of Baily's Beads and totality was over.
During the ring eclipse on May 10, 1994, the Moon covered only 94 percent of the Sun's face, but several observers saw and photographed Baily's Beads and the chromosphere.
High mountains along the Moon's limb will shorten this duration with spectacular displays of Baily's Beads. Similar annular eclipses observed in 1984 (in the US) and 1999 (Australia) demonstrated that solar filters were required even though more than 99 percent of the Sun's disk was eclipsed.
eastern limb of the Moon brightened and Baily's beads
With the end of totality the Sun's brilliant rim broke through in a magnificent display of Baily's Beads.
As the solar crescent dwindled to a hairline, I saw through my Questar that it was beginning to break up into the beautiful effect of Baily's Beads.
A well-prepared observer, we're told, should be alert to the onset of eerie twilight, tiny crescents dappling the ground, shadow bands, sky color, Baily's Beads, diamond rings, coronal streamers, brushes, prominences, and so on a daunting set of observational must-sees.