A singer with a deep, strong voice that spans the range between baritone and tenor

Third-person singular simple present indicative form of righten

(mathematics, physics) A mathematical formulation for a black hole which does not contain a singularity. The environment outside the event horizon is the same as other formulations for black holes.

An annual holiday of several cultures that marks the beginning of a new year according to a lunar or lunisolar calendar, as opposed to a new year dictated by a solar calendar such as the Julian or ...