| pentacron | Origin: NL, fr. Gr. Five + a summit. <geometry> A solid having five summits or angular points. Source: Websters Dictionary (01 Mar 1998) |
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| pentad | <chemistry> Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds. Origin: Gr, a body of five, fr. Five. <chemistry> Having the valence of a pentad. Source: Websters Dictionary (01 Mar 1998) |
| pentadactyl | Having five fingers or toes on each hand or foot. Synonym: quinquedigitate. Origin: penta-+ G. Daktylos, finger (05 Mar 2000) |
| pentadactyle | 1. <anatomy> Having five digits to the hand or foot. 2. Having five appendages resembling fingers or toes. Origin: Gr. With five fingers or toes. See Penta-, and Dactyl. Source: Websters Dictionary (01 Mar 1998) |
| pentadactyloid | <anatomy> Having the form of, or a structure modified from, a pentadactyl limb. Origin: Pentadactyl Source: Websters Dictionary (01 Mar 1998) |
| pentadecane | <chemistry> A hydrocarbon of the paraffin series, (C15H32) found in petroleum, tar oil, etc, and obtained as a colourless liquid; so called from the fifteen carbon atoms in the molecule. Origin: Penta- + Gr. Ten. Source: Websters Dictionary (01 Mar 1998) |
| pentadecatoic | <chemistry> Of, pertaining to, or derived from, pentadecane, or designating an acid related to it. Origin: Penta- + decatoic. Source: Websters Dictionary (01 Mar 1998) |
| pentadecylic | <chemistry> Same as Quindecylic. Origin: Penta- + decylic. Source: Websters Dictionary (01 Mar 1998) |
| pentadelphous | <botany> Having the stamens arranged in five clusters, those of each cluster having their filaments more or less united, as the flowers of the linden. Origin: Penta- + Gr. Brother. Source: Websters Dictionary (01 Mar 1998) |
| pentaerythritol | C(CH2OH)4; Tetrakis(hydroxymethyl)methane;the tetranitrate is a coronary vasodilator with action similar to that of other slow acting organic nitrates. (05 Mar 2000) |
| pentaerythritol tetranitrate | <chemical> A vasodilator with general properties similar to nitroglycerin but with a more prolonged duration of action. Pharmacological action: vasodilator agents. Chemical name: 1,3-Propanediol, 2,2-bis((nitrooxy)methyl)-, dinitrate (ester) (12 Dec 1998) |
| pentaerythritol tetranitrate reductase | <enzyme> Catalyses denitration of pentaerythritol tetranitrate with NADPH to 3-hydroxy-2,2-bis-((nitroxy)methyl)propanal and 2,2-bis-((nitroxy)methyl)-propanedial; isolated from enterobacter cloacae Registry number: EC 1.7.99.- Synonym: petn reductase (26 Jun 1999) |
| pentafid | <botany> Divided or cleft into five parts. Origin: Penta- + root of L. Findere to split. Source: Websters Dictionary (01 Mar 1998) |
| pentagastrin | <chemical> A synthetic polypeptide that has effects like gastrin when given parenterally. It stimulates the secretion of gastric acid, pepsin, and intrinsic factor, and has been used as a diagnostic aid. Chemical name: L-Phenylalaninamide, N-((1,1-dimethylethoxy)carbonyl)-beta-alanyl-L-tryptophyl-L-methionyl-L-alpha-aspartyl- (12 Dec 1998) |
| pentagastrin test | An alternative to histamine for stimulation of acid secretion in gastric analysis. (05 Mar 2000) |
Synonyms : Cardiazol, Corasol, Corazol, Corazole, Korazol, Korazole, Metrazol, Metrazole, Pentazol, Pentylenetetrazol
| pentavalent |
(pen
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| pentazocine |
(pen
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| pentobarbital |
(pen
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| pentobarbital sodium |
[USP] the sodium salt of pentobarbital, used as a sedative, anticonvulsant, preanesthetic in surgery, an adjunct to anesthesia, and an amnesic in obstetrics.
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| pentosemia |
(pen
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| PEN | beautiful handwriting |
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| PEN | English Quaker who founded the colony of Pennsylvania (1644-1718) |
| PEN | the amount that can be bought for a penny |
| PEN | a long flag |
| PEN | the award given to the champion |
| PEN | a flag longer than it is wide (and often tapering) |
| PEN | having feathered wings |
| PEN | type genus of the family Pennatulidae: sea pens |
| PEN | sea pens |
| PEN | pasta in short tubes with diagonally cut ends |
| PEN | enclosed by a confining fence |
| PEN | 100 penni equal 1 markka |