dark adaptation | the process of adjusting the eyes to low levels of illumination, cones adapt first, rods continue to adapt for up to four hours |
dark ground illumination dark field illumination | a form of microscopic examination of living material by scattered light, specimens appear luminous against a dark background |
dark-eyed junco slateolored junco Junco hyemalis | common North American junco having grey plumage and eyes with dark brown irises |
blue-headed vireo Vireo solitarius solitarius | common vireo of northeastern North America with bluish slaty-grey head |
lowland burrowing treefrog northern casque-headed frog Pternohyla fodiens | terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head, of the United States southwest |
bone-headed dinosaur | bipedal herbivorous dinosaurs with bony crowns |
black-headed snake | small secretive ground-living snake, found from central United States to Argentina |
rubber boa tow-headed snake Charina bottae | boa of grasslands and woodlands of western North America, looks and feels like rubber with tail and head of similar shape |
acanthocephalan spiny-headed worm | any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines |
white-headed stilt Himantopus himantopus leucocephalus | stilt of the southwest Pacific including Australia and New Zealand having mostly white plumage but with black wings and nape of neck |
dark horse | a racehorse about which little is known |
dark lantern bull's-eye | a lantern with a single opening and a sliding panel that can be closed to conceal the light |
gaffsail gaff-headed sail | a quadrilateral fore-and-aft sail suspended from a gaff |
sunglasses dark glasses shades | spectacles that are darkened or polarized to protect the eyes from the glare of the sun, he was wearing a pair of mirrored shades |
ultramicroscope dark-field microscope | light microscope that uses scattered light to show particles too small to see with ordinary microscopes |
dark red | a red color that reflects little light |
dark blue navy navy blue | a dark shade of blue |
dark darkness | an unenlightened state, he was in the dark concerning their intentions, his lectures dispelled the darkness |
dark comedy | a comedy characterized by grim or satiric humor, a comedy having gloomy or disturbing elements |
bittersweet chocolate semi-sweet chocolate dark chocolate | chocolate liquor with cocoa butter and small amounts of sugar and vanilla, lecithin is usually added |
dark meat | the flesh of the legs of fowl used as food |
dark bread whole wheat bread whole meal bread brown bread | bread made with whole wheat flour |
darkness dark shadow | an unilluminated area, he moved off into the darkness |
dark horse | a political candidate who is not well known but could win unexpectedly |
round-headed leek Allium sphaerocephalum | Old World leek with a spherical bulb |
dark darkness | absence of light or illumination |
iniquity wickedness darkness dark | absence of moral or spiritual values, the powers of darkness |
dark matter | (cosmology) a hypothetical form of matter that is believed to make uppercent of the universe, it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force |
night nighttime dark | the time after sunset and before sunrise while it is dark outside |
Middle Ages Dark Ages | the period of history between classical antiquity and the Italian Renaissance |
dark | not giving performances, closed, the theater is dark on Mondays |
bald bald-headed bald-pated | lacking hair on all or most of the scalp, a bald pate, a bald-headed gentleman |
dark-haired dark-coated | covered with dark hair |
shock-headed | having a shock (or untidy mass) of hair, shock-headed teenagers |
colored coloured dark dark-skinned non-white | having skin rich in melanin pigments, National Association for the Advancement of Colored People, dark-skinned peoples |
dark | brunet (used of hair or skin or eyes), dark eyes |
dark-haired black-haired brown-haired | having hair of a dark color, a dark-haired beauty |
dark-skinned dusky swart swarthy | naturally having skin of a dark color, a dark-skinned beauty, gold earrings gleamed against her dusky cheeks, a smile on his swarthy face, `swart' is archaic |
broad-headed roundheaded short-headed | having a brachycephalic head |
bullet-headed | having a small round head |
long-headed | having a dolichocephalic head |
dark | devoid of or deficient in light or brightness, shadowed or black, sitting in a dark corner, a dark day, dark shadows, dark as the inside of a black cat |
black pitch-black pitch-dark | extremely dark, a black moonless night, through the pitch-black woods, it was pitch-dark in the cellar |
b blue dark dingy disconsolate dismal gloomy grim sorry drab drear dreary b | causing dejection, a blue day, the dark days of the war, a week of rainy depressing weather, a disconsolate winter landscape, the first dismal dispiriting days of November, a dark gloomy day, grim rainy weather |
brown brownish chocolate-brown dark-brown | of a color similar to that of wood or earth |
dark-blue | of a dark shade of blue |
green greenish light-green dark-green | of the color between blue and yellow in the color spectrum, similar to the color of fresh grass, a green tree, green fields, green paint |
oxford-grey oxford-gray dark-grey dark-gray | of a dark shade of grey |
dark-colored dark-coloured dusky-colored dusky-coloured | having a dark color |
dark | (used of color) having a dark hue, dark green, dark glasses, dark colors like wine red or navy blue |