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neutron an elementary particle having no charge, spin of one-half, and mass approximately equal to a proton, present in the nucleus of all atoms except the common isotope of hydrogen.
neutron bomb a nuclear weapon whose detonation releases many neutrons that kill or harm humans and other life, but results in virtually no damage to buildings or property.
neutron star an extremely dense star, composed mostly of neutrons, with very powerful gravitational attraction.
Nevada a western U.S. state between California and Utah. (abbr.: NV)
Nevado del Ruiz a Colombian volcano that erupted in 1985 after having been dormant for 150 years, causing 23,000 deaths in what was the world's second most deadly volcanic eruption of the twentieth century.
never not on any occasion; not at any time. [2 definitions]
never mind used to tell someone to forget about something or to not worry about something.
nevermore at no time in the future; never again.
never-never land a place or circumstance that is imaginary or idealistic.
nevertheless however; in spite of that.
nevus a congenital irregularity of the skin, such as a mole or birthmark.
new having recently arrived, been produced, or come into existence. [9 definitions]
New American Bible an English language edition Bible, published in 1970, that is approved for use by Roman Catholics.
newbie (informal) a novice at using the Internet.
new blood new persons, members, or personnel, esp. ones bringing new and energetic attitudes.
newborn very recently born. [3 definitions]
New Brunswick a Canadian Maritime Province located northeast of Maine.
Newburg of seafood, cooked or served in a sauce made from cream, butter, egg yolks, and wine.
new candle see candela.
newcomer one who has arrived only recently.
New Deal the political and economic policies of the administration of President Franklin Delano Roosevelt, focusing primarily on helping the United States recover from the Great Depression.