(mathematics, geometry, algebra) A group whose elements are all the transformations under which a given object remains invariant and whose group operation is function composition.

plural of sympathy strike

Industrial action by a trade union in support of a strike initiated by workers in another, separate enterprise.

Synonym of Uhthoff's phenomenon

plural of sympathetic string

(music) Any of a set of auxiliary strings found on certain musical instruments, generally not played directly by the performer but used to provide resonance in response to the main strings.

(mathematics) The notation (x)ₙ, where n is a non-negative integer, which depending on the context represents either the rising factorial or the falling factorial.

plural of symbolic language

plural of symbiotic star

plural of axis of symmetry