plural of under-extension

Alternative form of underextension.

plural of over-extension

Alternative form of overextension.

(algebra, field theory) A field extension obtained by adjoining a single element to a given field.

(algebra) A finite (and thereby algebraic) extension of a base field such that every element of the extension is the root of a separable polynomial over the base field.

(algebra) A finite, algebraic extension of some field such that if it contains any root of any irreducible polynomial over that base field then it contains all of the roots of that polynomial.

plural of Buck's extension

A form of traction for fractures of the femur, involving a weight and pulley.

(electronics, UK) extension cord