darkening adj

1 becoming dark or darker as from waning light or clouding over; "the darkening sky"

2 characterized by hopelessness; filled with gloom; "gloomy at the thought of what he had to face"; "gloomy predictions"; "a gloomy silence"; "took a grim view of the economy"; "the darkening mood" [syn: gloomy, grim] n : changing to a darker color [syn: blackening]

English

Verb

darkening

1. present participle of darken

Darkening may refer to:

• Darkening (ophthalmology), vision loss or weakness that occurs without an apparent lesion affecting the eye
• Darkening of Valinor, the destruction of the Two Trees of Valinor in in the fictional universe of J. R. R. Tolkien's Middle-earth
• Gravity darkening, an astronomical phenomenon
• Hydrogen darkening, a physical degradation of the optical properties of glass
• Limb darkening, the diminishing of intensity in the image of a star as one moves from the center to the edge

See also

• Dark (disambiguation)
• Darken (disambiguation)
• Darker (disambiguation)
• Darkness (disambiguation)
• Lighting

blackening, blocking the light, burial, burying, clouding, concealedness, concealment, covering, covering up, covertness, deception, denigration, dimming, eclipsing, extinguishment, hiddenness, hiding, interment, invisibility, masking, melanization, mystification, nigrification, obfuscation, obnubilation, obscuration, obscurement, obumbration, occultation, occulting, overcast, overclouding, overshading, overshadowing, overshadowment, putting away, screening, secrecy, secretion, shading, shadowing, smirch, smirching, smudge, smudging, smut, smutch, smutching, subterfuge, uncommunicativeness