Relating to or designating a theorem according to which the only properties of a celestial object that can survive its collapse to a black hole are its mass, angular momentum, and electric charge, so that a black hole can be completely specified by these three parameters.
Origin
1970s.
Definition of no-hair in US English:
no-hair
adjective
Astronomy
Relating to or designating a theorem according to which the only properties of a celestial object that can survive its collapse to a black hole are its mass, angular momentum, and electric charge, so that a black hole can be completely specified by these three parameters.