Full record for collapsium n.

Definition any of a variety of extremely high-density substances
OED requirements any evidence 1958
Earliest cite H Beam Piper, Graveyard of Dreams
Comment Malcolm Farmer located a cite in a Project Gutenberg edition of H. Beam Piper's "Graveyard of Dreams": Greg Weeks of the Distributed Proofreaders pointed us to online images of the original magazine pages so that the cite could be verified.

In Brave New Words with an earliest date of 1963

Last modified 15 July, 2009

Citations for collapsium n.

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1958 H.B. Piper Graveyard of Dreams in Galaxy Sci. Fiction Feb. 132/1 Gehenna of a big crop. Price'll drop like a brick of collapsium, and this time next year we'll be using brandy to wash our feet in.!