- partial obscuration
- A designation of the sky cover when part of the sky is hidden by surface-based obscuring phenomena.
Aviation dictionary. 2014.
Aviation dictionary. 2014.
Alphonsus (crater) — Alphonsus crater appears in the right half of this image taken by Ranger 9. NASA photo. Coordinates … Wikipedia
Delta Air Lines Flight 723 — Accident summary Date July 31, 1973 Type Controlled flight into terrain Site … Wikipedia
eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention … Universalium
Magnitude of eclipse — Not to be confused with apparent magnitude, the logarithmic scale of astronomical brightness. An annular solar eclipse has a magnitude of less than 1.0 The magnitude of eclipse or geometric magnitude is the fraction of the diameter of the… … Wikipedia
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
Annular eclipse — Eclipse E*clipse ([ e]*kl[i^]ps ), n. [F. [ e]clipse, L. eclipsis, fr. Gr. e kleipsis, prop., a forsaking, failing, fr. eklei pein to leave out, forsake; ek out + lei pein to leave. See {Ex }, and {Loan}.] 1. (Astron.) An interception or… … The Collaborative International Dictionary of English
Cycle of eclipses — Eclipse E*clipse ([ e]*kl[i^]ps ), n. [F. [ e]clipse, L. eclipsis, fr. Gr. e kleipsis, prop., a forsaking, failing, fr. eklei pein to leave out, forsake; ek out + lei pein to leave. See {Ex }, and {Loan}.] 1. (Astron.) An interception or… … The Collaborative International Dictionary of English
Eclipse — E*clipse ([ e]*kl[i^]ps ), n. [F. [ e]clipse, L. eclipsis, fr. Gr. e kleipsis, prop., a forsaking, failing, fr. eklei pein to leave out, forsake; ek out + lei pein to leave. See {Ex }, and {Loan}.] 1. (Astron.) An interception or obscuration of… … The Collaborative International Dictionary of English
occultation — Eclipse E*clipse ([ e]*kl[i^]ps ), n. [F. [ e]clipse, L. eclipsis, fr. Gr. e kleipsis, prop., a forsaking, failing, fr. eklei pein to leave out, forsake; ek out + lei pein to leave. See {Ex }, and {Loan}.] 1. (Astron.) An interception or… … The Collaborative International Dictionary of English
transit — Eclipse E*clipse ([ e]*kl[i^]ps ), n. [F. [ e]clipse, L. eclipsis, fr. Gr. e kleipsis, prop., a forsaking, failing, fr. eklei pein to leave out, forsake; ek out + lei pein to leave. See {Ex }, and {Loan}.] 1. (Astron.) An interception or… … The Collaborative International Dictionary of English