plural of reassignment center

plural of day care center

plural of youth detention center

plural of top dead center

plural of wilderness treatment center

plural of world trade center

plural of area control center

(physics) A point, near or within a body, through which its weight can be assumed to act when considering forces on the body and its motion under gravity. This coincides with the center of mass in a uniform gravitational field.

To create a small hole or indentation in a workpiece as a guide in preparation for drilling.

(countable) A tool used to create a small indentation in preparation for drilling a hole. / (countable) The small indentation created by such a tool.