nerve-racking
— Tillægsord
– Engelsk
～ extremely irritating to the nerves; "nerve-racking noise"; "the stressful days before a war"; "a trying day at the office"
naval radar
— Navneord
– Engelsk
～ naval equipment consisting of a shipboard radar
nervus radialis
— Navneord
– Engelsk
～ largest branch of the brachial plexus; extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the underlying extensor muscles
neutron radiation
— Navneord
– Engelsk
～ radiation of neutrons (as by a neutron bomb)
nonparticulate radiation
— Navneord
– Engelsk
～ radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
nodes of Ranvier
— Navneord
– Engelsk
～ small gaps in the myelin sheath of medullated axons
nettle rash
— Navneord
– Engelsk
～ an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
naked mole rat
— Navneord
– Engelsk
～ fetal-looking colonial rodent of East Africa; neither mole nor rat; they feed on tubers and have a social structure similar to that of honeybees and termites
Norway rat
— Navneord
– Engelsk
～ common domestic rat; serious pest worldwide
neonatal mortality rate
— Navneord
– Engelsk
～ the death rate during the first 28 days of life
Nyquist rate
— Navneord
– Engelsk
～ (telecommunication) the lowest sampling rate that will permit accurate reconstruction of a sampled analog signal
night raven
— Navneord
– Engelsk
～ nocturnal or crepuscular herons
night raven
— Navneord
– Engelsk
～ any bird that cries at night
neutralisation reaction
— Navneord
– Engelsk
～ a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
neutralization reaction
— Navneord
– Engelsk
～ a chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
nuclear fusion reaction
— Navneord
– Engelsk
～ a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
nuclear reaction
— Navneord
– Engelsk
～ (physics) a process that alters the energy or structure or composition of atomic nuclei
nuclear reactor
— Navneord
– Engelsk
～ (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
news reader
— Navneord
– Engelsk
～ someone who reads out broadcast news bulletin
naive realism
— Navneord
– Engelsk
～ (philosophy) the philosophical doctrine that physical objects continue to exist when not perceived