Umbral

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

Wiktionary, Creative Commons Attribution/Share-Alike License
  • adj. Of or pertaining to an umbra.
  • The Century Dictionary and Cyclopedia
  • Pertaining to an umbra.
  • n. In the classification of the Paleozoic series of Pennsylvania, according to H. D. Rogers, a group of rocks of great thickness, belonging to the Carboniferous, and lying between the Seral or Millstone-grit and the Vespertine.
  • Word Usage
    "For Britain the Moon rises in the NE before it withdraws fully from the central dark umbral shadow at 16:18."
    Cross Reference