Dictionary

All Word
nekton Noun the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales
noctiluca Noun large bioluminescent marine protozoan
neural tube Noun a tube of ectodermal tissue in the embryo from which the brain and spinal cord develop
needlefish Noun fish with long tubular snout and slim body covered with bony plates
needlefish Noun elongate European surface-dwelling predacious fishes with long toothed jaws
notochord Noun a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
nit Noun egg or young of an insect parasitic on mammals especially a sucking louse
nit Noun a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
numbfish Noun any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges
nurse shark Noun small bottom-dwelling shark of warm shallow waters on both coasts of North America and South America and from southeast Asia to Australia
nandu Noun smaller of two tall fast-running flightless birds similar to ostriches but three-toed
nestling Noun young bird not yet fledged
nestling Noun a young person of either sex
nester Noun a bird that has built (or is building) a nest
nester Noun someone who settles lawfully on government land with the intent to acquire title to it
night bird Noun any bird associated with night: owl
night raven Noun any bird that cries at night
night raven Noun nocturnal or crepuscular herons
nonpasserine bird Noun chiefly arboreal birds especially of the order Coraciiformes
nightingale Noun European songbird noted for its melodious nocturnal song
northern oriole Noun a kind of New World oriole
northern parula Noun small grey-blue wood warbler with yellow throat and breast
nutcracker Noun speckled birds that feed on nuts
nutcracker Noun any of various small short-tailed songbirds with strong feet and a sharp beak that feed on small nuts and insects
nutcracker Noun a compound lever used to crack nuts open
nuthatch Noun any of various small short-tailed songbirds with strong feet and a sharp beak that feed on small nuts and insects
northern shrike Noun a butcherbird of northern North America
northern harrier Noun common harrier of North America and Europe
newt Noun small usually bright-colored semiaquatic salamanders of North America and Europe and northern Asia
northern cricket frog Noun a cricket frog of eastern and central United States
northern casque-headed frog Noun terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head
natterjack Noun common brownish-yellow short-legged toad of western Europe
night lizard Noun small secretive nocturnal lizard of southwestern North America and Cuba
nothosaur Noun extinct marine reptile with longer more slender limbs than plesiosaurs and less completely modified for swimming
neb Noun horny projecting mouth of a bird
neb Noun a long projecting or anterior elongation of an animal's head
nib Noun horny projecting mouth of a bird
nib Noun the writing point of a pen
night snake Noun nocturnal prowler of western United States and Mexico
northern bobwhite Noun a favorite game bird of eastern and central United States
nightjar Noun mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes
nighthawk Noun mainly nocturnal North American goatsucker
nighthawk Noun a person who likes to be active late at night
native cat Noun carnivorous arboreal cat-like marsupials of Australia and Tasmania
nail-tailed wallaby Noun small wallabies with a horny nail on the tip of the tail
nail-tailed kangaroo Noun small wallabies with a horny nail on the tip of the tail
numbat Noun small Australian marsupial having long snout and strong claws for feeding on termites
native bear Noun sluggish tailless Australian arboreal marsupial with grey furry ears and coat
nemertean Noun soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract
nemertine Noun soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract