Polarity Epoch

Science / Geology / Polarity Epoch: An interval of time between reversals of Earth's magnetic field.

Polarity Reversal

Science / Geology / Polarity Reversal: A change in the polarity of Earth's magnetic field in which the north magnetic pole becomes the south magnetic pole and vice versa. Also known as geomagnetic reversal or magnetic reversal. Earth's mag MORE

Polarity Therapy

Health / Massage / Polarity Therapy: Polarity therapy is based on universal principles of energy--attraction, repulsion, and neutrality. The interrelation of these principles forms the basis for every aspect of life, including our experi MORE

Prenatal Epoch

Science / Astrology / Prenatal Epoch: The astrological moment of conception. According to Ptolemy, the natal Ascendant or Descendant coincides with the Moon's zodiacal position at the prenatal epoch, ten lunar months prior to birth, more MORE

Epoch

Science / Biology / Epoch: Subdivision of a geological period. MORE

Polarity Event

Science / Geology / Polarity Event: A specific event in the history of Earth's magnetic field. Usually used in reference to a specific polarity reversal. MORE

Magnetic Polarity

Technology / Motors / Magnetic Polarity: It is a fundamental principle of a winding that adjacent poles must be wound to give opposite magnetic polarity. This does not mean that the coils actually have to be wound in this direction before be MORE

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