| fehling | <chemistry> See Fehling's solution, under Solution. Source: Websters Dictionary (01 Mar 1998) |
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| Fehling's reagent | An alkaline copper tartrate solution formerly used for detection of reducing sugars. Synonym: Fehling's reagent. (05 Mar 2000) |
| Fehling's solution | An alkaline copper tartrate solution formerly used for detection of reducing sugars. Synonym: Fehling's reagent. (05 Mar 2000) |
| Fehling, Hermann von | <person> German chemist, 1812-1885. See: Fehling's reagent, Fehling's solution. (05 Mar 2000) |
| feign | 1. To give a mental existence to, as to something not real or actual; to imagine; to invent; hence, to pretend; to form and relate as if true. "There are no such things done as thou sayest, but thou feignest them out of thine own heart." (Neh. Vi. 8) "The poet Did feign that Orpheus drew trees, stones, and floods." (Shak) 2. To represent by a false appearance of; to pretend; to counterfeit; as, to feign a sickness. 3. To dissemble; to conceal. Origin: OE. Feinen, F. Feindre (p. Pr. Feignant), fr. L. Fingere; akin to L. Figura figure,and E. Dough. See Dough, and cf. Figure, Faint, Effigy, Fiction. Source: Websters Dictionary (01 Mar 1998) |
| feigned | Not real or genuine; pretended; counterfeit; insincere; false. "A feigned friend." "Give ear unto my prayer, that goeth not out of feigned lips." (Ps. Xvii. 1) Feign"edly, Feign"edness, "Her treacherous sister Judah hath not turned unto me with her whole heart, but feignedly." (Jer. Iii. 10) Feigned issue, an issue produced in a pretended action between two parties for the purpose of trying before a jury a question of fact which it becomes necessary to settle in the progress of a cause. Source: Websters Dictionary (01 Mar 1998) |
| feigned eruption | Self-induced skin lesions resulting from habitual rubbing, scratching or hair-pulling, malingering, or mental disturbance. Synonym: dermatitis autophytica, factitial dermatitis, feigned eruption. (05 Mar 2000) |
| Feil, Andre | <person> French physician, *1884. See: Klippel-Feil syndrome. (05 Mar 2000) |
| Feiss line | A line running from the medial malleolus to the plantar aspect of the first metatarsophalangeal joint. (05 Mar 2000) |
| Feiss, Henry | <person> 20th century American orthopedic surgeon. See: Feiss line. (05 Mar 2000) |
| feitsui | <chemical> The Chinese name for a highly prized variety of pale green jade. See Jade. Source: Websters Dictionary (01 Mar 1998) |
| felbama te | An anticonvulsant/antiepileptic agent chemically related to meprobamate; useful in complex partial seizures. (05 Mar 2000) |
| Feldberg, Wilhelm | <person> British physiologist, *1900. See: Dale-Feldberg law. (05 Mar 2000) |
| Feldman, Harry Alfred | <person> U.S. Epidemiologist, *1914. See: Sabin-Feldman dye test. (05 Mar 2000) |
| feldspath | <chemical> A name given to a group of minerals, closely related in crystalline form, and all silicates of alumina with either potash, soda, lime, or, in one case, baryta. They occur in crystals and crystalline masses, vitreous in luster, and breaking rather easily in two directions at right angles to each other, or nearly so. The colours are usually white or nearly white, flesh-red, bluish, or greenish. The group includes the monoclinic (orthoclastic) species orthoclase or common potash feldspar, and the rare hyalophane or baryta feldspar; also the triclinic species (called in general plagioclase) microcline, like orthoclase a potash feldspar; anorthite or lime feldspar; albite or soda feldspar; also intermediate between the last two species, labradorite, andesine, oligoclase, containing both lime and soda in varying amounts. The feldspars are essential constituents of nearly all crystalline rocks, as granite, gneiss, mica, slate, most kinds of basalt and trachyte, etc. The decomposition of feldspar has yielded a large part of the clay of the soil, also the mineral kaolin, an essential material in the making of fine pottery. Common feldspar is itself largely used for the same purpose. Origin: G. Feldspath; feld field + spath spar. Source: Websters Dictionary (01 Mar 1998) |