| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| nd | |
| —abbreviation for | |
| no date | |
| Nd | |
| —the chemical symbol for | |
| neodymium | |
| ND, N.D. or N. Dak. | |
| —abbreviation for | |
| North Dakota | |
| N.D., N.D. or N. Dak. | |
| —abbreviation for | |
| N. Dak., N.D. or N. Dak. | |
| —abbreviation for | |
| ND, N.D. or N. Dak. | |
| —abbreviation for | |
| North Dakota | |
| N.D., N.D. or N. Dak. | |
| —abbreviation for | |
| N. Dak., N.D. or N. Dak. | |
| —abbreviation for | |
Nd
The symbol for the element neodymium.
| Nd
The symbol for neodymium. |
| neodymium (nē'ō-dĭm'ē-əm) Pronunciation Key
Symbol Nd A shiny, silvery metallic element of the lanthanide series. It is used to make glass for welders' goggles and purple glass for lasers. Atomic number 60; atomic weight 144.24; melting point 1,024°C; boiling point 3,027°C; specific gravity 6.80 or 7.004 (depending on allotropic form); valence 3. See Periodic Table. |
| Nd neodymium |
ND
|
| n.d. no date [of publication] |
| N.D. North Dakota |