In astronomy, a partial shade or obscurity on the margin of the perfect shade in an eclipse, or between the perfect shade, where the light is entirely intercepted, and the full light.
Word of the Day: Catachrestical
1. An incomplete or partial shadow.
2. The shadow cast, in an eclipse, where the light is partly, but not wholly, cut off by the intervening body; the space of partial illumination between the umbra, or perfect shadow, on all sides, and the full light.
3. The part of a picture where the shade imperceptibly blends with the light.
Penumbrala
Webster's Dictionary 1913
Darkness Roget’s Thesaurus §421
N. d, darkness, ], absence of light, "eldest night and chaos, ancestors of nature", blackness, "the blackness of the noonday night", obscurity, "the prayer of ajax was for light", gloom, murk, dusk, cimmerian darkness, stygian darkness, egyptian darkness, night, midnight, dead of night, witching hour of night, witching time of night, blind man's holiday, darkness visible, darkness that can be felt, palpable obscure, erebus, "the jaws of darkness", "sablevested night", shade, shadow, umbra, penumbra, sciagraphy, obscuration, occultation, adumbration, obumbration, obtenebration, offuscation|, caligation|, extinction, eclipse, total eclipse, gathering of the clouds, shading, distribution of shade, chiaroscuro, noctivagation, black body, hohlraum, black hole, dark star, dark matter, cold dark matter
V. be dark, darken, obscure, shade, dim, tone down, lower, overcast, overshadow, eclipse, obfuscate, offuscate|, obumbrate, adumbrate, cast into the shade becloud, bedim, bedarken, cast a shade, throw a shade, spread a shade, cast a shadow, cast a gloom, throw a shadow, spread a shadow, cast gloom, throw gloom, spread gloom, extinguish, put out, blow out, snuff out, doubt, turn out the lights, douse the lights, dim the lights, turn off the lights, switch off the lights
Adj. dark, darksome, darkling, obscure, tenebrious, sombrous, pitch dark, pitchy, pitch black, caliginous, black, sunless, lightless &c. (see sun , light, ), somber, dusky, unilluminated &c. (see illuminate ), nocturnal, dingy, lurid, gloomy, murky, murksome, shady, umbrageous, overcast, cloudy, darkened, &c. v, dark as pitch, dark as a pit, dark as erebus, benighted, noctivagant, |, noctivagous, |
Adv. in the dark, in the shade
Phr. "brief as the lightning in the collied night" [m
No Bible verses found for "Penumbra".
