| POLA | a small cell containing little cytoplasm that is produced along with the oocyte and later discarded |
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| POLA | a line of latitude at the north or south poles |
| POLA | either of two values that locate a point on a plane by its distance from a fixed pole and its angle from a fixed line passing through the pole |
| POLA | the front of an advancing mass of colder air |
| POLA | a glacier near the Arctic or Antarctic poles |
| POLA | large hare of Arctic America almost completely white in winter |
| POLA | an opposition that can be graded between two extremes or poles |
| POLA | the brightest star in Ursa Minor |
| POLA | the part of the Earth's surface forming a cap over a pole |
| POLA | an optical device used to measure the rotation of the plane of vibration of polarized light |
| POLA | the brightest star in Ursa Minor |
| POLA | the phenomenon in which waves of light or other radiation are restricted in direction of vibration |