(group theory) A generalisation of direct product such that, in one of two equivalent definitions, only one of the subgroups involved is required to be a normal subgroup.

the usual procedure followed in business, or a particular business.

(religion) a meeting held for the purpose of offering prayers.

The device used to project images of celestial objects onto the dome in a planetarium.

plural of grand prix Alternative form of Grands Prix

Alternative form of Grand Prix

Implies that somebody died.

plural of prayer meeting

(mathematics) A formula used to find the derivatives of products of two or more functions: (f·g)'=f'·g+f·g',!

(medicine) Incurable myeloid tumor entity that goes along with progressive non-clonal fibrosis of the bone marrow.