| Framingham Heart study | <epidemiology> Ongoing epidemiologic study of a cohort of over 5,000 of the population of Framingham, MA conducted since 1949 under the auspices of the National Institutes of Health and Boston University. (05 Mar 2000) |
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| framycetin | <chemical> A component of neomycin that is produced by streptomyces fradiae. On hydrolysis it yields neamine and neobiosamine b. Pharmacological action: antibiotics, aminoglycoside. Chemical name: D-Streptamine, O-2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl-(1-4)-O-(O-2,6-diamino-2,6-dideoxy-beta-L-idopyranosyl-(1-3)-beta-D-ribofuranosyl-(1-5))-2-deoxy- (12 Dec 1998) |
| franc | A silver coin of France, and since 1795 the unit of the French monetary system. It has been adopted by Belgium and Swizerland. It is equivalent to about nineteen cents, or ten pence, and is divided into 100 centimes. Origin: F, fr. Franc a Franc. See Frank. Source: Websters Dictionary (01 Mar 1998) |
| Franceschetti | Adolphe, Swiss ophthalmologist, 1896-1968. See: Franceschetti's syndrome, Franceschetti-Jadassohn syndrome. (05 Mar 2000) |
| Franceschetti's syndrome | <syndrome> Mandibulofacial dysostosis, when complete or nearly complete. (05 Mar 2000) |
| Franceschetti-Jadassohn syndrome | <syndrome> Reticular skin pigmentation, diminished sweating, hypodontia, and hyperkeratosis of the palms and soles; may be confused with incontinentia pigmenti but is as common in males as in females; autosomal dominant inheritance. Synonym: Franceschetti-Jadassohn syndrome. (05 Mar 2000) |
| franchise | 1. Exemption from constraint or oppression; freedom; liberty. 2. A particular privilege conferred by grant from a sovereign or a government, and vested in individuals; an imunity or exemption from ordinary jurisdiction; a constitutional or statutory right or privilege, especially. The right to vote. "Election by universal suffrage, as modified by the Constitution, is the one crowning franchise of the American people." (W. H. Seward) 3. The district or jurisdiction to which a particular privilege extends; the limits of an immunity; hence, an asylum or sanctuary. "Churches and mobasteries in Spain are franchises for criminals." (London Encyc) 4. Magnanimity; generosity; liberality; frankness; nobility. "Franchise in woman." Elective franchise, the privilege or right of voting in an election of public officers. Origin: F, fr. Franc, fem. Franche, free. See Frank. Source: Websters Dictionary (01 Mar 1998) |
| Francis Aston | <person, radiobiology> Physicist at Cambridge University who invented the mass spectrometer in 1919, a device which could measure the mass of individual atoms. This device led to his discovery that the helium nucleus was less massive than the two hydrogen nuclei which could have formed it (implying that the missing mass could somehow be converted into energy through the process of nuclear fusion). (09 Oct 1997) |
| Francis Crick | <person> An English biologist born in 1916 who was one of three people to win the Nobel Prize in 1962 for the category of physiology or medicine. He and James Watson, an American biochemist and alumnus of Indiana University, discovered the double-stranded helix structure of the DNA molecule and built the Watson-Crick model of this structure. Their work was heavily based on the work of Maurice Wilkins (who also won the Nobel Prize in physiology or medicine in 1962) and Rosalind Franklin (who died before the 1962 Nobel Prize winners were selected). The model they postulated is the accepted model used today. Lived: 1916- (13 Nov 1997) |
| francis turbine | A water-powered turbine used to transform water falling vertically to mechanical (rotating) energy. (05 Dec 1998) |
| franciscan | Belonging to the Order of St. Francis of the Franciscans. Franciscan Brothers, pious laymen who devote themselves to useful works, such as manual labour schools, and other educational institutions; called also Brothers of the Third Order of St. Francis. Franciscan Nuns, nuns who follow the rule of t. Francis, especially. Those of the Second Order of St. Francis, called also Poor Clares or Minoresses. Franciscan Tertiaries, the Third Order of St. Francis. Origin: LL. Franciscus Francis: cf. F. Franciscain. A monk or friar of the Order of St. Francis, a large and zealous order of mendicant monks founded in 1209 by St. Francis of Assisi. They are called also Friars Minor; and in England, Gray Friars, because they wear a gray habit. Source: Websters Dictionary (01 Mar 1998) |
| francisella | An organism frequently found in natural waters. It can be parasitic on man, other mammals, birds, and arthropods. (12 Dec 1998) |
| Francisella novicida | A species pathogenic for white mice, guinea pigs, and hamsters but not known to infect human beings. It produces lesions in experimental animals similar to those found in tularaemia. (05 Mar 2000) |
| francisella tularensis | The aetiologic agent of tularaemia in man and other warm-blooded animals. (12 Dec 1998) |
| francium | <chemical> Francium. A radioactive alkali metal with the atomic symbol fr, atomic number 87, and atomic weight 223. The mass numbers of other known isotopes are 204-213, 217-222, and 224. Its valence is +1. Chemical name: Francium (12 Dec 1998) |
Synonyms : Miquelon and Saint Pierre, Miquelon and St. Pierre, St. Pierre and Miquelon
Synonyms :
Synonyms :
Synonyms :
Synonyms : Frangula alnus, Frangula purshiana, Rhammus frangula
| fragilitas |
(fra
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| fractional |
(frac
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| fragility |
(fra
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| fractionate |
(frac
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| fractionating column |
an apparatus for separating the volatile constituents of a solution by distillation.
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| FRA | French artist whose rococo paintings typified the frivolity of life in the royal court of France in the 18th century (1732-1806) |
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| FRA | a pleasingly sweet olfactory property |
| FRA | a distinctive odor that is pleasant |
| FRA | pleasant-smelling |
| FRA | fragrant European perennial herb found at woodland margins on moist soils |
| FRA | Old World fragrant stoloniferous perennial having small white flowers and narrow leaves used as flavoring and in sachets |
| FRA | fern or northern Eurasia and North America having fragrant fronds |
| FRA | European orchid having dense spikes of fragrant pink or lilac or red flowers with conspicuous spurs |
| FRA | fern or northern Eurasia and North America having fragrant fronds |
| FRA | sweet-scented sumac of eastern America having ternate leaves and yellowish-green flowers in spikes resembling catkins followed by red hairy fruits |
| FRA | a water lily having large leaves and showy fragrant flowers that float on the water |
| FRA | fern or northern Eurasia and North America having fragrant fronds |