| nebula |
a cloud of interstellar dust or gas or both, that may appear as either a light or dark mass depending on how it absorbs, reflects, or re-emits incident radiation. [2 definitions] |
| nebular hypothesis |
a theory stating that the solar system was once a nebula that cooled and condensed to form the sun and planets. |
| nebulize |
to convert (liquid) to a fine spray. |
| nebulosity |
the matter or form of a nebula. [2 definitions] |
| nebulous |
hazy, confused, or indistinct. [2 definitions] |
| necessarily |
of necessity; inevitably. |
| necessary |
needed; essential. [5 definitions] |
| Necessary and Proper Clause |
the provision in the U.S. Constitution that Congress will have the power to make laws that are necessary and proper for executing the powers vested by the Constitution. |
| necessitate |
to make unavoidable or necessary. |
| necessitous |
in need; indigent. [2 definitions] |
| necessity |
a person or thing that is required or indispensable. [4 definitions] |
| neck |
the part of the body of both human beings and animals that connects the head with the trunk. [4 definitions] |
| neck and neck |
holding almost the same position; even. |
| neckband |
a band of material fastened to the neck of a garment. [2 definitions] |
| neckerchief |
a square of cloth folded and tied about the neck. |
| necklace |
jewelry worn around the neck, usu. consisting of beads or pieces of gems, metals, leather, wood, plastic, or the like strung on string, wire, or a leather thong. |
| neckline |
the shape formed by the upper edge of a garment at or below the neck. |
| neckpiece |
a scarf, esp. one made of fur. |
| neck-rein |
of a saddle horse, to turn in the opposite direction to the side of the neck that the rein presses on. [2 definitions] |
| necktie |
a strip of fabric worn around the neck, usu. by men, under the collar of a shirt and knotted at the throat. |
| neckwear |
articles, such as scarves and neckties, designed to be worn at or around the neck. |