- The science that deals with the material universe beyond the earth's atmosphere, comprising the study of celestial objects and extraterrestrial phenomena, and of the nature and history of the universe.
- Refers to the culture of the modern nation of the Netherlands, or in general to cultures that have occupied the same area in northwestern Europe along the North Sea. It is often used to distinguish the culture of the northern historic Netherlands from "Flemish," which is the culture of the southern Netherlands or Flanders. It may also be used to refer in general to the culture of Germanic or Teutonic peoples; however, this meaning is seldom found in modern texts.
- Prints on paper incorporating impressions of a reverse design created on a printing plate, usually copper, into which the design has been incised (engraved) using burins or gravers. Historically, "engravings" has sometimes been incorrectly used to refer to all prints, regardless of the specific technique. For prints made from designs engraved on a flat wooden block, use "wood cuts"; for prints made from a plate that is etched rather than engraved, use "etchings."
- Globular or hemispherical glasses used to protect the light source within, diffuse or redirect its light, or modify its color.