a virtually impenetrable or indestructible substance
I hardly thought the telescope would penetrate the impervium walls of the tower.
Buck Rogers in Oakland (Calif.) Tribune Comics 18 Dec. 1/3
The hull is made of impervium—thousands of times harder than any other substance.
Buck Rogers in Syracuse (N.Y.) Herald 27 Mar. 14/2
A half mile beneath the shallow Venusian sea the black impervium dome that protects Montana Keep rests frowningly on the bottom.
Clash By Night in Astounding Science-Fiction Mar. 9/1
Farrell went on screaming. His throat seemed to be lined with impervium.
Terror Out of Space in Planet Stories Summer 36/1
Someone or something was outside for through the thick impervium of the hull there came a muffled beating.
Coffin Cargo in Planet Comics Nov. 33/2
But don’t worry, the impervium plates on the ship will protect us!
Mysta Of Moon in Planet Comics Jan. 43
We had no air, we had no water, we had no food and our drives—antique directors which had gone out with Lorrilard—had burned themselves into a dainty crisp of curled impervium.
Emperor of Universe in Startling Stories Nov. 139/2
It was proofed by a coating of impervium against the risk of meteorites striking.
Dramaturges of Yan in Fantastic Dec. 56/1
Our armor was struck by multiple projectiles—five-gram impervium wirebombs.
To Crush Moon iv. 61
Buck Rogers syndicated cartoon
Research HistorySuggested by Malcolm Farmer.
Fred Galvin submitted a cite from a 1953 reprint of Hugh Frazier Parker's 1943 "The Sword of Johnny Damokles".
Fred Galvin submitted a cite from a 1952 reprint of "Lawrence O'Donnell's" (pseud. of Kuttner & Moore) 1943 "Clash By Night"; Mike Christie verified the cite in the 1943 first appearance.
Fred Galvin submitted a 1949 cite from "Rene LaFayette's" "The Emperor of the Universe".
Fred Galvin submitted a cite from a 1959 reprint of Leigh Brackett's 1944 "Terror Out of Space".
Fred Galvin submitted a 1962 cite from Jeff Sutton's "After Ixmal".
Fred Galvin submitted a 1946 cite from Thornecliffe Herrick's "Coffin Cargo".
Fred Galvin submitted a 1949 cite from Ross Gallun's "Mysta of the Moon".
Fred Galvin submitted a 1942 cite from "A Leader for Korcin" by F. Orlin Tremaine The OED has early-1930s examples from the syndicated Buck Rogers cartoons.
(Impervium is now a trademarked name for a type of stainless steel)
Last modified 2021-01-26 16:48:01
In the compilation of some entries, HDSF has drawn extensively on corresponding entries in OED.