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Axis
01
the central point or line around which an object turns
Examples
The Earth spins on its axis once every twenty-four hours.
The fan blades rotated smoothly around their axis.
02
a straight line that defines the symmetry or structure of a figure or object
Examples
The artist drew an axis to guide the proportions of the face.
The ellipse has both a major and a minor axis.
03
the second cervical vertebra, forming a pivot that allows the head to turn
Examples
The axis enables rotation of the head from side to side.
A fracture of the axis can severely restrict neck movement.
04
a group of nations aligned for a common political or military purpose
Examples
The new economic axis between the two countries changed global trade.
The regional axis formed to promote shared security interests.
05
the alliance formed by Germany and Italy in 1936, later joined by Japan and others, opposing the Allies during World War II
Examples
The Axis powers fought against the Allies in World War II.
The defeat of the Axis ended the war in 1945.
06
the central structure of a plant around which organs or parts are arranged
Examples
The flower clusters grow along a single central axis.
The plant 's axis supports multiple layers of leaves.
07
a reference line used in coordinate systems to provide a framework for locating points
Examples
When graphing functions, it 's essential to label the axes to provide context for the plotted points.
The plot of the function crosses the x-axis at two points, indicating the roots or solutions of the equation.
