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AXIS |
Fixed line |
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SET |
Fixed in position; immovable; rigid; as, a set line; a set
countenance. |
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COLLINEATION |
The act of aiming at, or directing in a line with, a
fixed object. |
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RADIANT |
A straight line proceeding from a given point, or fixed
pole, about which it is conceived to revolve. |
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WARP |
To tow or move, as a vessel, with a line, or warp,
attached to a buoy, anchor, or other fixed object. |
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NODE |
One of the fixed points of a sonorous string, when it
vibrates by aliquot parts, and produces the harmonic tones; nodal line
or point. |
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SPIRAL |
...t, called
the generatrix, moving along a straight line according to a
mathematical law, while the line is revolving about a fixed point
calle... |
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REVOLUTION |
The act of revolving, or turning round on an axis or a
center; the motion of a body round a fixed point or line; rotation; as,
the revolution o... |
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HELICOID |
...ight
line moving in such a manner that every point of the line shall have a
uniform motion in the direction of another fixed straight line, and ... |
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HOMOGRAPHY |
...point
of the one corresponds one and but one point in the other, and vise
versa. Thus, a tangent line rolling on a circle cuts two fixed tangent... |
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HODOGRAPH |
A curve described by the moving extremity of a line the
other end of which is fixed, this line being constantly parallel to the
direction of mo... |
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RADIUS VECTOR |
A straight line (or the length of such line)
connecting any point, as of a curve, with a fixed point, or pole, round
which the straight line tu... |
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PARABOLA |
..., any point of which is equally distant from a
fixed point, called the focus, and a fixed straight line, called the
directrix. See Focus. ... |
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TROCHOID |
...ng on a
line; a cycloid; a roulette; in general, the curve described by any
point fixedly connected with a moving curve while the moving curve
... |