Psychotria capensis
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– Engelsk
～ South African evergreen having hard tough wood
Psychotria
— Navneord
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～ tropical chiefly South American shrubs and trees
psychotropic agent
— Navneord
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～ a chemical substance that can influence human consciousness
psychrometer
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～ a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air
psylla
— Navneord
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～ small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
psyllid
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～ small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
Psyllidae
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～ jumping plant lice
psyllium
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～ plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative
Plantago psyllium
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～ plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative
psyop
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～ military actions designed to influence the perceptions and attitudes of individuals, groups, and foreign governments
pt
— Navneord
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～ a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
PT boat
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～ a small fast unarmored and lightly armed torpedo boat; P(atrol) T(orpedo) boat
ptah
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～ a major Egyptian god; shaper of the world; father of gods and men; worshipped especially at Memphis
ptarmigan
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～ large Arctic and subarctic grouse with feathered feet and usually white winter plumage
Pteretis
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～ small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae
pteridaceae
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～ one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided
Pteridium
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～ a genus of ferns belonging to the family Dennstaedtiaceae
Pteridium esculentum
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～ fern of southeastern Asia; not hardy in cold temperate regions
Pteridium aquilinum
— Navneord
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～ large coarse fern often several feet high; essentially weed ferns; cosmopolitan
pteridologist
— Navneord
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～ an expert in the study of ferns