Firmament

Entertainment / Literature / Firmament: (Septuagint Greek, stereoma 'the beaten or hammered thing,' Latin firmamentum, 'the solid thing') In Genesis, a mysterious substance described as 'separating the lower waters from the upper waters' before the separation of dry land from the rest of the lower waters. In ancient cosmology, the firmament was thought to be a semi-translucent dome or vault of the sky. By medieval times, the theory arose that this firmament was the first of several translucent spheres encompassing the earth called the crystaline mobile. Extended discussion can be found here.

Other Words for Firmament

Firmament Verb Synonyms: heaven, the heavens, sky, the skies, vault (of heaven), welkin, empyrean
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