(mathematics) A type of mapping on polynomials that may be defined by means of field theory as the transformation on minimal polynomials implied by a different choice of primitive element.

(pharmacology) A monoclonal antibody under investigation for the treatment of non-Hodgkin lymphoma.

plural of access token

(mineralogy) A hexagonal-dihexagonal dipyramidal dark blue mineral containing iron, magnesium, oxygen, potassium, and silicon.