Darkness

See also blackening and blackness; night.

achluphobia

an abnormal fear of darkness. Also called scotophobia.

fuliginosity

1. the state or condition of being sooty or smoky.

2. soot or smoke. —fuliginous, adj.

noctiluca

any thing or creature that shines or glows in the dark, especially a phosphorescent or bioluminescent marine or other organism. —noctilucine, adj.

noctimania

an abnormal love of the night.

nyctophobia

an abnormal fear of darkness or night.

obumbration

Rare. the act or process of darkening or obscuring.

sciophobia

an abnormal fear of shadows.

scotophobia

achluophobia.

scotopia

vision in dim light or darkness. See also photopia. —scotopic, adj.