黒

to blacken; to become black

Poss. also from ガンガン黒い

ganguro; young girl who heavily tans her skin, bleaches her hair and wears heavy make-up

Japanese wood ant (Formica japonica)

bighead carp (Aristichthys nobilis)

meat of a fish (e.g. tuna) that is dark red with blood, usu. coming from the parts close to the spine

black magic

kurofuda (type of Japanese playing cards)

Rubus mesogaeus (species of blackberry)

Japanese carpenter ant (Camponotus japonicus)

Computing

red-black tree; self-balancing binary search tree

black cataract; amaurosis

black-footed cat (Felis nigripes)

Eleocharis kuroguwai (species of spikerush)

Chinese water chestnut (Eleocharis dulcis var. tuberosa)

Vespula flaviceps (species of yellowjacket)

Indo-Pacific blue marlin (Makaira mazara)

Korean rockfish (Sebastes schlegelii); Schlegel's black rockfish

jet (gemstone)

Pacific golden plover (Pluvialis fulva)

southerly wind blowing at the start of the rainy season

charring; something charred

Anatomy

substantia nigra

blackwater fever

Buddhism

Kalaratri (Deva)

smut fungus (Microbotryum violaceum)