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extension field
(algebra, field theory) A field L which contains a subfield K, called the base field, from which it is generated by adjoining extra elements.
normal extension
(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.
Buck's extensions
plural of Buck's extension
over-extensions
plural of over-extension
Buck's extension
A form of traction for fractures of the femur, involving a weight and pulley.
simple extension
(algebra, field theory) A field extension obtained by adjoining a single element to a given field.
separable extension
(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.
under-extensions
plural of under-extension
extension reel
(electronics) An extension lead that rolls up, usually into the socket end, which in some cases has more than one socket on it (often 2 or 4).