Wiktionary
(context informal English) Very cool; thoroughly excellent, relaxed, or fashionable. v
(context physics English) To cool a material below its transition temperature without that transition occurring
Wikipedia
Supercool were a band featuring singer Lantz L'Amour, guitarist Stacey Blades of the version of L.A. Guns featuring singer Phil Lewis, former Faster Pussycat and Liberators bassist Eric Stacy, and at different times drummers Vik Foxx ( Enuff Z'nuff, Vince Neil Band, Warrant) and Dave Moreno ( Liberators). The band released an EP titled Live At The Wilcox Hotel.
Lantz L'Amour and Stacey Blades also played together in the band Smack.
Eric Stacy and Dave Moreno also played together in the band Liberators.
Usage examples of "supercool".
The unruffled, supercool, utterly capable hero is one of the most widespread stereotypes of poor fiction, and especially of poor SF.
Interactions and reactions took place on the supercooled target that had never been seen before.
Antarctic ice sheet: below them stretch the still, supercooled waters of Lake Vostok.
I am also leery of the Carson factor: We must avoid the extermination of any extraterrestrial life-form, from the smallest virus to some supercooled Plutonian blob, not only for its own sake but for the wealth of genetic material contained within it, material that would have evolved over eons, developing unique abilities for dealing with its problems and, by extension, our own.
I gather that the technique used was to inflate a large plastic bag with supercooled air, and spray water over it until a crust of ice formed.
The back of my throat seemed to have been liberally painted with supercooled glue.
He wore nothing in the way of a weapon, so he hefted a slim, salt-stained cylinder full of supercooled argon and swung it in the general direction of the onrushing Merced.
The walls were supercooled, and thus provided some relief, He tried to wipe the sweat away from his forehead, but it was a futile gesture.
Dicky, every schoolboy knows that glass is a supercooled liquid which, under impact from a fast-moving missile, bends until it fractures in long cracks radiating from the point of impact.
The instantaneous transfer of information involves, among other things, supercooling the antenna, necessary to perturb the local gravity-field configuration.
Buried within a mass of metal and ceramic and supercooling and recombinant circuitry, it could not go gallivanting about seeking the truth it sought.
Their canopies filled with air, hands on their steering toggles, the jumpers descended at an initial rate of about eighteen feet per second, passing through a high layer of cirrocumulus clouds composed of supercooled water and ice.
Within an hour of the seismographic reading, crews will have drilled the holes through strata of incipient stress, pumped the supercooled polymer-treated water back into them at the proper temperature for the local gradient, and gone on to the next.
He felt as if his identity were expanding to include not only his body and those organs and vessels and memories and thoughts contained within it, but the metal and plastic standing against the far wall with its tiny magnetic fluxes tickling the synapses of microcircuits, with its purposeful electrons seeking the shortest pathway through its supercooled body.