An uncharged (q = 0), rotating (L ≠ 0) black hole.

(idiomatic, Yorkshire, Lancashire, Manchester, of a door) To shut.

present participle of dig oneself in a hole

(computing) A computer attack strategy, in which the victim is a particular group (organization, industry, or region), and the attacker guesses or observes which websites the group often uses and infects one or more of them with malware.

plural of watering hole attack

(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.

(electronics) Mounting scheme used for electronic components that involves the use of leads on the components that are inserted into holes drilled in printed circuit boards and soldered to pads on the opposite side.

plural of through-hole technology

(idiomatic, transitive) To save someone or something from trouble.

A scientific method of measuring anxiety, stress, neophilia and emotionality in animals, involving an enclosed area with a floor covered in holes that the animal may or may not choose to explore.