Axis of ordinates
y-axis (def 1).
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- Axis of revolution
an axis in a plane, about which an area is revolved to form a solid of revolution.
- Axis of symmetry
mathematics. a straight line for which every point on a given curve has corresponding to it another point such that the line connecting the two points is bisected by the given line. crystallography, rotation axis.
- Axis traction
axis traction axis traction n. traction upon the fetal head in the line of the birth c-n-l by means of forceps.
- Axis-ordinates
y-axis (def 1). also called axis of ordinates. (in a plane cartesian coordinate system) the axis, usually vertical, along which the ordinate is measured and from which the abscissa is measured. (in a three-dimensional cartesian coordinate system) the axis along which values of y are measured and at which both x and z equal zero. […]
- Axletree
a bar, fixed crosswise under an animal-drawn vehicle, with a rounded spindle at each end upon which a wheel rotates. historical examples now, yesterday i broke my axletree, and i go and hew out a new one of green wood. a russian proprietor lyof n. tolstoi these bars strengthened the axletree and resisted wear at […]