When a geometry is described by a set of axioms, the notion of a line is usually left undefined (a so-called primitive object). The properties of lines are then determined by the axioms which refer to them.
Definition of mull 1: friable forest humus that forms a layer of mixed organic matter and mineral soil and merges gradually into the mineral soil beneath 2: a finely powdered solid especially in a suspension
Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition: Muffle. mufâ²l, n. the thick naked upper lip and nose, as of a ruminant. [Ger.] Muffle. mufâ²l, v.t. to wrap up as with a muff: to blindfold: to cover up so as to render sound dull, as a bell or a drum: to cover from the weather.ân.