| NAC | a streamlined enclosure for an aircraft engine |
|---|---|
| NAC | a tortilla chip topped with cheese and chili-pepper and broiled |
| NAC | a mountain peak in the Andes in Argentina (21,302 feet high) |
| NAC | the iridescent internal layer of a mollusk shell |
| NAC | having a play of lustrous rainbow-like colors |
| NAC | consisting of or resembling mother-of-pearl |