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Definition of Firmament
1. Noun. The apparent surface of the imaginary sphere on which celestial bodies appear to be projected.
Terms within: Apex, Apex Of The Sun's Way, Solar Apex, Celestial Point, Nadir, Zenith, Zodiac
Generic synonyms: Surface
Derivative terms: Empyreal, Firmamental
Definition of Firmament
1. n. Fixed foundation; established basis.
Definition of Firmament
1. [n -S]
Medical Definition of Firmament
1. 1. Fixed foundation; established basis. "Custom is the . . . Firmament of the law." (Jer. Taylor) 2. The region of the air; the sky or heavens. "And God said, Let there be a firmament in the mist of the waters, and let it divide the waters from the waters." (Gen. I. 6) "And God said, Let there be lights in the firmament." (Gen. I. 14) In Scripture, the word denotes an expanse, a wide extent; the great arch or expanse over out heads, in which are placed the atmosphere and the clouds, and in which the stars appear to be placed, and are really seen. 3. The orb of the fixed stars; the most rmote of the celestial spheres. Origin: L. Firmamentum, fr. Firmare to make firm: cf. F. Firmament. See Firm, v. &. Source: Websters Dictionary (01 Mar 1998)
Lexicographical Neighbors of Firmament
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