| penetrating wound | A wound with disruption of the body surface that extends into underlying tissue or into a body cavity. (05 Mar 2000) |
|---|---|
| penetration | The act of piercing or entering deeply. Origin: L. Penetratio (18 Nov 1997) |
| penetrative | 1. Tending to penetrate; of a penetrating quality; piercing; as, the penetrative sun. "His look became keen and penetrative." (Hawthorne) 2. Having the power to affect or impress the mind or heart; impressive; as, penetrative shame. 3. Acute; discerning; sagacious; as, penetrative wisdom. "The penetrative eye." "Led on by skill of penetrative soul." (Grainger) Origin: Cf. F. Penetratif. Source: Websters Dictionary (01 Mar 1998) |
| penetrometer | An obsolete instrument for measuring the penetrating power of X-rays from any given source. Origin: penetration + G. Metron, measure (05 Mar 2000) |
| penfish | <zoology> A squid. Source: Websters Dictionary (01 Mar 1998) |
| penfluridol | <chemical> A long-acting antipsychotic used for maintenance or long-term therapy of schizophrenia and other psychoses. Pharmacological action: antipsychotic agents, dopamine antagonists. Chemical name: 4-Piperidinol, 1-(4,4-bis(4-fluorophenyl)butyl)-4-(4-chloro-3-(trifluoromethyl)phenyl)- (12 Dec 1998) |
| pengolin | <zoology> The pangolin. Source: Websters Dictionary (01 Mar 1998) |
| penguin | 1. <zoology> Any bird of the order Impennes, or Ptilopteri. They are covered with short, thick feathers, almost scalelike on the wings, which are without true quills. They are unable to fly, but use their wings to aid in diving, in which they are very expert. See King penguin, under Jackass. Penguins are found in the south temperate and antarctic regions. The king penguins (Aptenodytes Patachonica, and A. Longirostris) are the largest; the jackass penguins (Spheniscus) and the rock hoppers (Catarractes) congregate in large numbers at their breeding grounds. 2. <botany> The egg-shaped fleshy fruit of a West Indian plant (Bromelia Pinguin) of the Pineapple family; also, the plant itself, which has rigid, pointed, and spiny-toothed leaves, and is used for hedges. <zoology> Alternative forms: pinguin] Arctic penguin, the great auk. See Auk. Origin: Perh. Orig. The name of another bird, and fr. W. Pen head + gwyn white; or perh. From a native South American name. Source: Websters Dictionary (01 Mar 1998) |
| penguinery | <zoology> A breeding place, or rookery, of penguins. Source: Websters Dictionary (01 Mar 1998) |
| penial | Relating to the penis. Synonym: penial. (05 Mar 2000) |
| peniaphobia | <psychology> Morbid fear of poverty. Origin: G. Penia, poverty, + phobos, fear (05 Mar 2000) |
| penicillamine | <drug> Product of acid hydrolysis of penicillin that chelates heavy metals (lead, copper, mercury) and assists in their excretion in cases of poisoning. Also used in treatment of rheumatoid arthritis although its mode of action as an antirheumatic drug is not clear. (18 Nov 1997) |
| penicillanate | A salt of penicillanic acid. (05 Mar 2000) |
| penicillanic acid | <chemical> 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.1)heptane-2-carboxylic acid. A building block of penicillin, devoid of significant antibacterial activity. Pharmacological action: penicillins. Chemical name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-, (2S-cis)- (12 Dec 1998) |
| penicillary | Denoting a penicillus. (05 Mar 2000) |