Hostile Witness. A witness at a trial who is so adverse to the party that called him or her that he or she can be cross-examined as though called to testify by the opposing party. The Federal Rules of Evidence provide that witnesses who are hostile, or adverse, can be interrogated through the use of leading questions. hostile witness
Polar wander. Polar wander is the motion of a pole in relation to a fixed reference frame. It can be used, for example, to measure the degree to which Earth's magnetic poles have been observed to move relative to the Earth's rotation axis.
polar wander path. A Dictionary of Earth Sciences. Â© A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. polar wander path The successive positions of the palaeomagnetic pole. The individual pole position is calculated assuming the observed field is that of an axial geocentric dipole.