| PE | any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls |
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| PE | any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls |
| PE | informal terms for a human `tooth' |
| PE | a white the color of pearls |
| PE | American everlasting having foliage with soft wooly hairs and corymbose heads with pearly white bracts |
| PE | cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions |
| PE | a kind of razorfish |
| PE | the pearly lining of the dark shells is a source of mother-of-pearl |
| PE | a white the color of pearls |
| PE | any of several varieties of red-skinned apple |
| PE | the most commonly used method of computing a correlation coefficient between variables that are linearly related |
| PE | United States arctic explorer and United States naval officer who has been regarded as the first man to reach the North Pole (1856-1920) |