| now and then |
sometimes; every once and a while. |
| nowhere |
not anywhere; in no place. [5 definitions] |
| nozzle |
a narrow spout fitted to the end of a hose or pipe. A nozzle is used to control the flow or spray of a liquid or gas. |
| nuclear |
of, or having to do with, or being the nucleus of an atom or a cell. [3 definitions] |
| nuclear energy |
energy released from the nuclei of atoms, either by splitting or by fusing them. |
| nuclei |
plural of "nucleus." |
| nucleus |
the central, essential, or most active part around which other parts are grouped. [3 definitions] |
| nude |
not wearing clothes. [3 definitions] |
| nudge |
to push gently or touch with the elbow to attract attention. [2 definitions] |
| nugget |
a small, solid lump. |
| nuisance |
a person or thing that is annoying. |
| numb |
not able to feel; lacking in feeling or movement. [3 definitions] |
| number |
a unit in math with a fixed value that is used in counting or to tell the position of something in a series. "Four," "four tenths," and "four hundred" are all ways of saying numbers. Numbers can also be represented by numerals, such as 4, 0.4, and 400. [11 definitions] |
| number plate |
the British word for a small metal sign on a car, truck, or other vehicle indicating that the vehicle is legal to drive on public roads. "Number plate" has the same meaning as "license plate." |
| numeral |
one or more symbols or marks used to express or represent a number. |
| numerator |
the number in a fraction that is above the division line, over the denominator. |
| numerical |
of or having to do with numbers. |
| numerous |
being in great number; many. [2 definitions] |
| nun1 |
a woman who is a member of a religious order. Nuns promise to live simply, not marry, and obey God. Many nuns live in convents. |
| Nunavut |
a territory in northern Canada. Its capital is Iqaluit. |
| nurse |
a person who is trained to care for sick and injured people. [4 definitions] |