| Po | Symbol for polonium. (05 Mar 2000) |
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| pO2 | Symbol for the partial pressure (tension) of oxygen. See: partial pressure. (05 Mar 2000) |
| poa | <botany> A genus of grasses, including a great number of species, as the kinds called meadow grass, Kentucky blue grass, June grass, and spear grass (which see). Origin: NL, fr. Gr. Grass. Source: Websters Dictionary (01 Mar 1998) |
| poach | To steal or pocket game, or to carry it away privately, as in a bag; to kill or destroy game contrary to law, especially by night; to hunt or fish unlawfully; as, to poach for rabbits or for salmon. 1. To stab; to pierce; to spear, as fish. 2. To force, drive, or plunge into anything. "His horse poching one of his legs into some hollow ground." (Sir W. Temple) 3. To make soft or muddy by trampling 4. To begin and not complete. Origin: Cf. OF. Pocher to thrust or dig out with the fingers, to bruise (the eyes), F. Pouce thumb, L. Pollex, and also E. Poach to cook eggs, to plunder, and poke to thrust against. Source: Websters Dictionary (01 Mar 1998) |
| poachard | <zoology> A common European duck (Aythya ferina); called also goldhead, poker, and fresh water, or red-headed, widgeon. The American redhead, which is closely allied to the European poachard. <zoology> Red-crested poachard, an Old World duck (Branta rufina). Scaup poachard, the scaup duck. Tufted poachard, a scaup duck (Aythya, or Fuligula cristata), native of Europe and Asia. Origin: From Poach to stab Alternative forms: pocard, pochard. Source: Websters Dictionary (01 Mar 1998) |
| poacher | 1. One who poaches; one who kills or catches game or fish contrary to law. 2. <zoology> The American widgeon. <zoology> Sea poacher, the lyrie. Source: Websters Dictionary (01 Mar 1998) |
| poake | Waste matter from the preparation of skins, consisting of hair, lime, oil, etc. Source: Websters Dictionary (01 Mar 1998) |
| pocan | <botany> The poke (Phytolacca decandra). Synonym: pocan bush. Source: Websters Dictionary (01 Mar 1998) |
| pochard | <zoology> See Poachard. Source: Websters Dictionary (01 Mar 1998) |
| pock | <medicine> A pustule raised on the surface of the body in variolous and vaccine diseases. "Of pokkes and of scab every sore." (Chaucer) Origin: OE. Pokke, AS. Pocc, poc; akin to D. Pok, G. Pocke, and perh. To E. Poke a pocket. Cf. Pox. Source: Websters Dictionary (01 Mar 1998) |
| 1. A bag or pouch; especially; a small bag inserted in a garment for carrying small articles, particularly money; hence, figuratively, money; wealth. 2. One of several bags attached to a billiard table, into which the balls are driven. 3. A large bag or sack used in packing various articles, as ginger, hops, cowries, etc. In the wool or hop trade, the pocket contains half sack, or about 168 Ibs.; but it is a variable quantity, the articles being sold by actual weight. 4. A hole or space covered by a movable piece of board, as in a floor, boxing, partitions, or the like. 5. <chemical> A cavity in a rock containing a nugget of gold, or other mineral; a small body of ore contained in such a cavity. A hole containing water. 6. <zoology> Same as Pouch. Pocket is often used adjectively, or in the formation of compound words usually of obvious signification; as, pocket comb, pocket compass, pocket edition, pocket handkerchief, pocket money, pocket picking, or pocket-picking, etc. Out of pocket. See Out, Pocket borough, a borough "owned" by some person. See Borough. Pocket gopher, a sheriff appointed by the sole authority of the crown, without a nomination by the judges in the exchequer. Origin: OE. Poket, Prov. F. & OF. Poquette, F. Pochette, dim. Fr. Poque, pouque, F. Poche; probably of Teutonic origin. See Poke a pocket, and cf. Poach to cook eggs, to plunder, and Pouch. Source: Websters Dictionary (01 Mar 1998) |
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| pocketed calculus | A urinary calculus enclosed in a sac developed from the wall of the bladder. Synonym: pocketed calculus. (05 Mar 2000) |
| pockmark | The small depressed scar left after the healing of the smallpox pustule. (05 Mar 2000) |
| pockwood | <botany> Lignum-vitae. Origin: So called because formerly used as a specific for the pock. Source: Websters Dictionary (01 Mar 1998) |
| pocky | Full of pocks; affected with smallpox or other eruptive disease. Origin: Pockier; Pockiest. Source: Websters Dictionary (01 Mar 1998) |