(management) A task; especially, regarding an agenda item discussed in a meeting that requires further activity or investigation in order to reach a conclusion, select an alternative, or implement a change.

One who is politically active in the role of a citizen; especially, one who campaigns for change. / One who is conspicuously active in carrying out any occupational or professional functions.

Behaving as an activist.

A planned series of actions, tasks or steps designed to achieve an objective or goal.

Alternative form of man of action

(physics) a property caused by asymmetrical molecular or crystal structure that enables a compound or crystal to rotate the plane of incident polarized light

(chemistry, of a crystal or compound) Exhibiting optical activity.

(inorganic chemistry) Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides, to which they have similar chemistry.

capable of lowering the surface tension of a liquid

(uncountable) A set of policies or programs providing advantages for people of a group who are seen to have traditionally been the target of discrimination