an exposure meter that gives priority to light measured near the center of the picture area, with sensitivity gradually decreasing toward the edges.
the wheel driving the minute and hour hands of a timepiece.
having a central axis: a centered arc. equidistant from all bordering or adjacent areas; situated in the center: The illustration was centered on the page. Printing. set above the base line at approximately the level of the hyphen: a centered dot between syllables. Geometry. the middle point, as the point within a circle or sphere […]
center spread. a gatefold bound into the center of a magazine or book signature. a photograph of a woman or man in a nude or seminude pose appearing on a magazine centerfold. the person in such a photograph. n. also center-fold, “fold-out center spread of a magazine or newspaper,” 1950, from center (n.) + fold […]
a temporary framework for supporting a masonry arch during construction until it is able to stand by itself. Geometry. the middle point, as the point within a circle or sphere equally distant from all points of the circumference or surface, or the point within a regular polygon equally distant from the vertices. a point, pivot, […]