simple past tense and past participle of focus-group

To subject ideas to review by a focus group in order to determine the viability of those ideas.

(group theory) A group that has a presentation without relators; equivalently, a free product of some number of copies of ℤ.

(mathematics) Any discrete group of isometries of the hyperbolic plane.

An interdisciplinary collaboration of researchers working on new research activities that would be difficult to develop under traditional funding mechanisms, such as federal agencies.

(organic chemistry) Any chemical entity that is temporarily reacted with a functional group so as to protect it from a subsequent reaction

A group of people joined temporarily to accomplish some task or take part in some organised collective action. / (US military) A component of a naval task force.

(group theory) The projective general linear group mathbf PGL(2,ℂ): the group of Möbius transformations on the Riemann sphere.

Used other than figuratively or idiomatically: see group, theory; a theory about (particular kinds of) groups.

In chemistry, a group of elements with related properties similar to that of platinum, notably high resistance to chemical activity, particularly oxidation and reaction with acids. The platinum group consists of the elements ruthenium, rhodium, palladium, osmium, iridium, and platinum. In the periodic table of the elements they are in period 5 or 6 and in groups 8, 9 or 10.