| pearl-ash | <chemistry> A white amorphous or granular substance which consists principally of potassium carbonate, and has a strong alkaline reaction. The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; hence The impure potassium carbonate obtained by leaching wood ashes, and evaporating the lye, or as a white crystalline pearl-ash. It has previously been an important source of potassium compounds, and previously used in making soap, glass, etc. Synonym: caustic potash. Source: Websters Dictionary (01 Mar 1998) |
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| pearl-worker's disease | Inflammatory hypertrophy of the bones affecting grinders of mother-of-pearl. (05 Mar 2000) |
| pearlfish | <zoology> Any fish whose scales yield a pearl-like pigment used in manufacturing artificial pearls, as the bleak, and whitebait. Source: Websters Dictionary (01 Mar 1998) |
| pearlstone | <chemical> A glassy volcanic rock of a grayish colour and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. Source: Websters Dictionary (01 Mar 1998) |
| pearlwort | <botany> A name given to several species of Sagina, low and inconspicuous herbs of the Chickweed family. Source: Websters Dictionary (01 Mar 1998) |
| pearmain | <botany> The name of several kinds of apples; as, the blue pearmain, winter pearmain, and red pearmain. Source: Websters Dictionary (01 Mar 1998) |
| Pearson, Karl | <person> English mathematician, 1857-1936. See: Poisson-Pearson formula, McArdle-Schmid-Pearson disease. (05 Mar 2000) |
| peas | A variable annual leguminous vine (pisum sativum) that is cultivated for its rounded smooth or wrinkled edible protein-rich seeds, the seed of the pea, and the immature pods with their included seeds. (12 Dec 1998) |
| peastone | <chemical> Pisolite. Source: Websters Dictionary (01 Mar 1998) |
| peasweep | <zoology> The pewit, or lapwing. The greenfinch. Origin: So called from its note. Source: Websters Dictionary (01 Mar 1998) |
| peat | 1. <chemical> A piece of turf cut for use as a fuel. 2. <botany> A mass of partially carbonised plant tissue formed by partial decomposition in water of various plants and especially. Of mosses of the genus Sphagnum, widely found in many parts of the world, varying in consistency from a turf to a slime used as a fertiliser, as stable litter, as a fuel, and for making charcoal. (09 Oct 1997) |
| peat moss | A highly absorbent moss used as a substitute for absorbent cotton or gauze in surgical dressing and sanitary napkins. Synonym: muskeag moss, peat moss. (05 Mar 2000) |
| peau d'orange | A swollen pitted skin surface overlying carcinoma of the breast in which there is both stromal infiltration and lymphatic obstruction with oedema. Origin: Fr. Orange peel (05 Mar 2000) |
| Pearl index |
The Pearl Index, also called the Pearl rate, is a technique used in clinical trials for measuring the effectiveness of a birth control method. It is calculated by dividing the number of unintended pregnancies by the number of months of use of the particular method whose efficacy is being measured, and multiplying the result by 1200. ...
출처: en.wikipedia.org/wiki/Pearl_Index
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| PEARS |
About 30 species, including: Pears are trees of the genus Pyrus and the fruit of that tree, edible in some species. Pears are native to temperate regions of the Old World, from western Europe and north Africa east right across Asia. They are medium sized trees, reaching 10-17 m tall, often with a tall, narrow crown; a few species are shrubby. ...
출처: en.wikipedia.org/wiki/Pears
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| peau d'orange |
A dimpled condition of the skin of the breast, resembling the skin of an orange, sometimes found in inflammatory breast cancer.
출처: www.stjude.org/glossary
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| pearl |
The nose of the kayak burying in the water.
출처: members.aol.com/Kayaksrfrs/glossary.html
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| peak expiratory flow |
Measurement of PEF on regular basis at home with a portable peak flow meter. PEF home monitoring is especially useful to patients over 5 years of age with moderate persistent to severe persistent asthma.
출처: www.cdc.gov/asthma/speakit/glossary.htm
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| PEA | any policy that advocates maintaining peaceful international relations |
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| PEA | a civilian organization sponsored by the United States government |
| PEA | a state of north central United States bordering on Canada |
| PEA | opening move in negotiating a peace treaty |
| PEA | any of various plants of the genus Spathiphyllum having a white or green spathe and a spite of fragrant flowers and often cultivated as an ornamental |
| PEA | a protest march against (a particular) war and in favor of peace |
| PEA | the absence of mental stress or anxiety |
| PEA | the peace treaty that ended the Thirty Years' War in 1648 |
| PEA | something offered to an adversary in the hope of obtaining peace |
| PEA | an officer of the law |
| PEA | a highly decorated ceremonial pipe of Amerindians |
| PEA | a treaty to cease hostilities |