All penumbra synonyms
pe·num·bra
P p noun penumbra
- eclipse — Astronomy. 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 of the moon between it and a point on the earth (solar eclipse) a similar phenomenon with respect to any other planet and either its satellite or the sun. the partial or complete interception of the light of one component of a binary star by the other.
- occultation — Astronomy. the passage of one celestial body in front of another, thus hiding the other from view: applied especially to the moon's coming between an observer and a star or planet.
- dimming — not bright; obscure from lack of light or emitted light: a dim room; a dim flashlight.
- adumbration — to produce a faint image or resemblance of; to outline or sketch.
- darkening — Present participle of darken.
- obscuration — the act of obscuring.
- gloominess — dark or dim; deeply shaded: gloomy skies.