polar line


Also found in: Wikipedia.

polar line

[′pō·lər ‚līn]
(mathematics)
For a point on a space curve, the line that is normal to the osculating plane of the curve and passes through the center of curvature at that point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The equation yields the polar line of the first ovalization
Similarly, from the triangles [DELTA]O[O.sub.2][P.sub.4] and [DELTA]O[O.sub.2]M we get the polar line of the second ovalization
Similarly, from the triangles [DELTA] [OO.sub.2] [P.sub.4] and [DELTA] [OO.sub.2] M we get the polar line of the second ovalization
Coleman, which grew its insulated carriers 35 percent during the last two years in insulated carriers, according to the company, carries the Lil' Polar line of softside coolers, which includes the Dual Cool line with removable hard plastic liner, the smaller Lunch Line, and the Tote Line.
RENAL score includes: tumour size (R), exophytic/endophytic (E), nearness to collecting system/renal sinus (N), anterior/posterior location (A), and location relative to polar lines (L).
A second interesting finding from this study is that tumour location relative to the polar lines was inversely associated with complications.