neurotransmitter |
a biochemical substance, such as epinephrine, that transmits or inhibits nerve impulses across the synapse of one cell to the synapse of another. |
neurotropic |
tending to enter or affect nerve tissue, as certain viruses. |
neut.1 |
abbreviation of "neuter." |
neut.2 |
abbreviation of "neutral." |
neuter |
in grammar, neither feminine nor masculine with respect to gender. [9 definitions] |
neutral |
not belonging to or taking any side or giving assistance to any of the conflicting parties in a dispute or contest. [9 definitions] |
neutralism |
the policy of not taking sides in a dispute, esp. in an international conflict. |
neutrality |
the condition or status of being neutral. [2 definitions] |
neutralize |
to cause to be ineffective; counteract. [3 definitions] |
neutral spirits |
(used with a sing. or pl. verb) flavorless, 190-proof distilled ethyl alcohol blended with whiskeys or used to make alcoholic beverages such as gin, liqueurs, and cordials. |
neutrino |
an elementary, weakly interacting subatomic particle of the lepton family, having little or no mass and a spin of one-half. |
neutrinoless |
combined form of neutrino. |
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. |
neutropenia |
a condition of having an abnormally low number of neutrophils in the blood, which is associated with an increased risk of infection. |
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 or think about something. |
nevermore |
at no time in the future; never again. |