simple past tense and past participle of defer

(computer science) In a compiler, the process of converting a polymorphic function to a monomorphic function, by the creation of a specialised function for each different data type it is called with.

(physics) A minor stable isotope of calcium, ⁴³₂₀Ca, having twenty protons and twenty-three neutrons; it amounts to about 0.1% of the element in nature

A cup, typically a small one, in which coffee can be served.