heavy spar

heavy spar
Permanent Per"ma*nent, a. [L. permanens, -entis, p. pr. of permanere to stay or remain to the end, to last; per + manere to remain: cf. F. permanent. See {Per-}, and {Mansion}.] Continuing in the same state, or without any change that destroys form or character; remaining unaltered or unremoved; abiding; durable; fixed; stable; lasting; as, a permanent impression. [1913 Webster]

Eternity stands permanent and fixed. --Dryden. [1913 Webster]

{Permanent gases} (Chem. & Physics), hydrogen, oxygen, nitrogen, and carbon monoxide; -- also called {incondensible gases} or {incoercible gases}, before their liquefaction in 1877. The term is now archaic.

{Permanent way}, the roadbed and superstructure of a finished railway; -- so called in distinction from the contractor's {temporary way}.

{Permanent white} (Chem.), barium sulphate ({heavy spar}), used as a white pigment or paint, in distinction from {white lead}, which tarnishes and darkens from the formation of the sulphide. [1913 Webster]

Syn: Lasting; durable; constant. See {Lasting}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • Heavy spar — Heav y spar (Min.) Native barium sulphate or barite, so called because of its high specific gravity as compared with other non metallic minerals. [1913 Webster] …   The Collaborative International Dictionary of English

  • heavy spar — n. BARITE …   English World dictionary

  • heavy spar — Barytes Ba*ry tes, n. [Gr. bary s heavy: cf. Gr. bary ths heaviness, F. baryte.] (Min.) Barium sulphate, generally called {heavy spar} or {barite}. See {Barite}. [1913 Webster] …   The Collaborative International Dictionary of English

  • heavy spar — Barite Ba rite, n. (Min.) Native sulphate of barium, a mineral occurring in transparent, colorless, white to yellow crystals (generally tabular), also in granular form, and in compact massive forms resembling marble. It has a high specific… …   The Collaborative International Dictionary of English

  • heavy spar — Mineral. barite. [1780 90] * * * …   Universalium

  • heavy-spar — n. Sulphate of baryta (native) …   New dictionary of synonyms

  • heavy spar — /hɛvi ˈspa/ (say hevee spah) noun → barytes …  

  • heavy spar — noun a white or colorless mineral (BaSO4); the main source of barium • Syn: ↑barite, ↑barytes, ↑barium sulphate • Hypernyms: ↑mineral • Substance Meronyms: ↑barium, ↑Ba, ↑ …   Useful english dictionary

  • Spar (mineralogy) — Spar is a term that is used to refer to a category of crystals that have readily discernible faces. Crystallized, earthy, and some metallic, a spar will easily break into rhomboidal, cubical, or laminated fragments with polished surfaces, but… …   Wikipedia

  • heavy — heaviness, n. /hev ee/, adj., heavier, heaviest, n., pl. heavies, adv. adj. 1. of great weight; hard to lift or carry: a heavy load. 2. of great amount, quantity, or size; extremely large; massive: a heavy vote; a heavy snowfall. 3. of great… …   Universalium

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