mini-black holen.
/ˌmɪnɪˌblakˈhəʊl/, U.S. /ˌmɪniˌblækˈhoʊl/ Astronomy.
A hypothetical black hole of very small size formed by compression of matter during the early stages of the universe and believed to evaporate over time with the emission of radiation.
ΚΠ
1973 Lima (Ohio) News 27 Dec. 21/6 This mini black hole, weighing perhaps a million tons, passed right on through the earth.
1989 J. Silk Big Bang (rev. ed.) vi. 133 A..consequence of the earliest phase of the big bang may be the production of mini-black holes.
1999 Astrophysical Jrnl. 517 396 The astrophysical conditions under which this phenomenon can take place are rather extreme, but in principle they could be met by a mini black hole residing at the center of a star.
This is a new entry (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1973