Alternative form of rotary dial

Alternative form of rotary dial

(mathematics) A graph with some edges drawn as double or triple lines, arising in the classification of semisimple Lie algebras over algebraically closed fields, in the classification of Weyl groups and other finite reflection groups, and in other contexts.

(figuratively) Stay focused on a discussion or task; maintain the course of action.

A proof, developed by Georg Cantor, to show that the set of real numbers is uncountably infinite.

(military) Of a nuclear weapon, having a yield that is variable (i.e. selectable without reconstruction).

A type of Cartesian graph where each axis represents a different variable, and opposite directions along an axis represent different quantities rather than positive or negative signs of the same quantity; thus four variables are diagrammed in total.

(medicine, pathology) A diagnosis made by means of a physical examination of a patient.

(dialectology) An enclave where a dialect is physically isolated from similar dialects.

(medicine) A grid of lead strips that can be repositioned to reduce visual artifacts on an X-ray caused by secondary radiation.