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Extension Scouts
plural of Extension Scout
Extension Scout
(Scouting) A youth member of the Extension Scouting program.
extension block
convergent extension
(embryology) A series of actions via which the embryonic tissue is reorganized to concenter along one axis and elongate along a perpendicular axis through the movement of cells.
Galois extensions
plural of Galois extension
algebraic extension
(algebra, field theory) A field extension L/K which is algebraic over K (i.e., is such that every element of L is a root of some (nonzero) polynomial with coefficients in K).
algebraic extensions
field extensions
plural of field extension
field extension
(algebra, field theory, algebraic geometry) Any pair of fields, denoted L/K, such that K is a subfield of L.
Galois extension
(algebra, Galois theory) An algebraic extension that is both a normal and a separable extension; equivalently, an algebraic extension E/F such that the fixed field of its automorphism group (Galois group) Aut(E/F) is the base field F.
