incoercible gases

1 definition found

incoercible gases - Collaborative International Dictionary of English v.0.48 :

  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.
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           Eternity stands permanent and fixed.     --Dryden.
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     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.
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     Syn: Lasting; durable; constant. See Lasting.
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