| felspath | <chemical> See Feldspar. Source: Websters Dictionary (01 Mar 1998) |
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| felstone | <chemical> See Felsite. Origin: From G. Feldstein, in analogy with E. Felspar. Source: Websters Dictionary (01 Mar 1998) |
| felt | 1. A cloth or stuff made of matted fibres of wool, or wool and fur, fulled or wrought into a compact substance by rolling and pressure, with lees or size, without spinning or weaving. "It were a delicate stratagem to shoe A troop of horse with felt." (Shak). 2. A hat made of felt. 3. A skin or hide; a fell; a pelt. "To know whether sheep are sound or not, see that the felt be loose." (Mortimer) Origin: AS. Felt; akin to D. Vilt, G. Filz, and possibly to Gr. Hair or wool wrought into felt, L. Pilus hair, pileus a felt cap or hat. Source: Websters Dictionary (01 Mar 1998) |
| feltwork | 1. A fibrous network. 2. A close plexus of nerve fibrils. See: neuropil. (05 Mar 2000) |
| Felty's syndrome | <syndrome> A clinical condition characterised by rheumatoid arthritis, enlargement of the spleen and leukopenia. (27 Sep 1997) |
| Felty, Augustus | <person> U.S. Physician, 1895-1963. See: Felty's syndrome. (05 Mar 2000) |
| FeLV | <abbreviation> Feline leukaemia virus. (05 Mar 2000) |
| felwort | <botany> A European herb (Swertia perennis) of the Gentian family. Origin: Probably a corruption of fieldwort. Source: Websters Dictionary (01 Mar 1998) |
| felypressin | <chemical> Synthetic analog of lypressin with more vasoconstrictor than antidiuretic action. It is used as a haemostatic. Pharmacological action: haemostatics, renal agents, vasoconstrictor agents. Chemical name: Vasopressin, 2-L-phenylalanine-8-L-lysine- (12 Dec 1998) |