A proposed alternative to a black hole whose collapse continually slows down, and that does not form an event horizon

(category theory) An object which has a distinguished global element (which may be called z, for “zero”) and a distinguished endomorphism (which may be called s, for “successor”) such that iterated compositions of s upon z (i.e., sⁿ∘z) yields other global elements of the same object which correspond to the natural numbers (sⁿ∘z↔n). Such object has the universal property that for any other object with a distinguished global element (call it z’) and a distinguished endomorphism (call it s’), there is a unique morphism (call it φ) from the given object to the other object which maps z to z’ (𝜙∘z=z') and which commutes with s; i.e., 𝜙∘s=s'∘𝜙.

conceptual art

conceptual art

An unidentified object submerged in water, not necessarily of paranormal origin.

Synonym of unidentified submerged object

(astronomy) Synonym of Kuiper belt object

(astronomy) Any trans-Neptunian object whose orbit is wholly within the scattered disc.

plural of versioned object base

plural of sex object