The focal point of any activity, especially if dangerous or destructive.
The point on the surface of the earth directly above an underground explosion.
The geographical area in which an ongoing disaster, illness, crisis, or other destructive event is currently most severe.
The point on the land or water surface directly above the focus, or hypocentre, of an earthquake.
Of an earthquake: to have its epicentre (at a specified location).
A subject or topic for consideration or investigation.
A sentence, phrase or word which asks for information, reply or response; an interrogative.
A proposal to a meeting as a topic for deliberation.
A doubt or challenge about the truth, accuracy, or validity of a matter.
To ask a question or questions; inquire or seek to know; examine.
To ask questions of; to interrogate; to ask for information.
To raise doubts about; have doubts about.