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Neptune the god of the sea in Roman mythology. Neptune had control of the tides. In Greek mythology, Neptune is called Poseidon. [2 definitions]
nerd a person who chooses to spend a lot of time doing one activity, often in a technical field such as computers, math, or science.
nerve any of the fibers that carry messages to and from the brain and other parts of the body. Nerves are bundled together into a complicated system that connects all parts of the body to the spinal cord and brain. [3 definitions]
nervous of or having to do with the nerves. [3 definitions]
nervous system the system of nerves and nerve centers in most animals with more than one cell.
-ness a suffix that means "condition."
nest a structure used by a bird to lay eggs and rear young. Nests are built in trees and other protected places using materials such as twigs and mud. [5 definitions]
nestle to lie close or curled next to. [2 definitions]
net1 a fabric woven or knotted together to leave open spaces of even size. [4 definitions]
net2 relating to what money is left after subtracting taxes and other costs. [3 definitions]
Netherlands a country in northern Europe on the North Sea. According to the constitution, Amsterdam is the capital of the Netherlands. However, the government is located in another city called The Hague. In earlier history, the term "Netherlands" referred to the "Low Countries" of Holland, Luxembourg, and Belgium, which are small, low-lying countries of western Europe located next to the sea.
nettle a plant whose leaves and stems are covered with hairs that sting the skin when touched.
network a system that involves a number of persons or groups. [5 definitions]
neurotic suffering from needless fears and worries.
neutral not taking any side in an argument or contest. [4 definitions]
neutralize to cause to have no effect or become useless. [2 definitions]
neutron a small particle present in the nucleus of all atoms except the hydrogen atom. Neutrons have no electrical charge. The mass of a neutron is about equal to the mass of a proton.
Nevada a state in the western United States. Its capital is Carson City. (abbreviated: NV)
never not on any occasion; not at any time. [2 definitions]
nevertheless however; still.
new having recently arrived, been produced, or come into being. [4 definitions]