| Fabry, Johannes | <person> German dermatologist, 1860-1930. See: Fabry's disease. (05 Mar 2000) |
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| fabry-perot interferometer | <apparatus, physics> A type of interferometer with two parallel mirrors (with a variable separation of a few centimetres) arranged so that incoming light is reflected between them multiple times before ultimately being transmitted. Useful in spectroscopy because it gives very good frequency resolution without losing too much of the incident signal. (08 Mar 2000) |
| fabulation | Synonym: fabrication. Origin: L. Fabulatio, fr. Fabulor, pp. -atus, to speak (05 Mar 2000) |
| fac | A large ornamental letter used, especially. By the early printers, at the commencement of the chapters and other divisions of a book. Origin: Abbrev. Of facsimile. Source: Websters Dictionary (01 Mar 1998) |
| FACCP | <abbreviation> Fellow of the American College of Chest Physicians. (05 Mar 2000) |
| FACD | <abbreviation> Fellow of the American College of Dentists. (05 Mar 2000) |
| face | 1. The exterior form or appearance of anything; that part which presents itself to the view; especially, the front or upper part or surface; that which particularly offers itself to the view of a spectator. "A mist . . . Watered the whole face of the ground." (Gen. Ii. 6) "Lake Leman wooes me with its crystal face." (Byron) 2. That part of a body, having several sides, which may be seen from one point, or which is presented toward a certain direction; one of the bounding planes of a solid; as, a cube has six faces. 3. <machinery> The principal dressed surface of a plate, disk, or pulley; the principal flat surface of a part or object. That part of the acting surface of a cog in a cog wheel, which projects beyond the pitch line. The width of a pulley, or the length of a cog from end to end; as, a pulley or cog wheel of ten inches face. 4. The upper surface, or the character upon the surface, of a type, plate, etc. The style or cut of a type or font of type. 5. Outside appearance; surface show; look; external aspect, whether natural, assumed, or acquired. "To set a face upon their own malignant design." (Milton) "This would produce a new face of things in Europe." (Addison) "We wear a face of joy, because We have been glad of yore." (Wordsworth) 6. That part of the head, especially. Of man, in which the eyes, cheeks, nose, and mouth are situated; visage; countenance. "In the sweat of thy face shalt thou eat bread." (Gen. Iii. 19) 7. Cast of features; expression of countenance; look; air; appearance. "We set the best faceon it we could." (Dryden) 8. <astronomy> Ten degrees in extent of a sign of the zodiac. 9. Maintenance of the countenance free from abashment or confusion; confidence; boldness; shamelessness; effrontery. "This is the man that has the face to charge others with false citations." (Tillotson) 10. Presence; sight; front; as in the phrases, before the face of, in the immediate presence of; in the face of, before, in, or against the front of; as, to fly in the face of danger; to the face of, directly to; from the face of, from the presenceof. 11. Mode of regard, whether favorable or unfavorable; favor or anger; mostly in Scriptural phrases. "The Lord make his face to shine upon thee." (Num. Vi. 25) "My face [favor] will I turn also from them." (Ezek. Vii. 22) 12. <chemical> The end or wall of the tunnel, drift, or excavation, at which work is progressing or was last done. 13. The exact amount expressed on a bill, note, bond, or other mercantile paper, without any addition for interest or reduction for discount. Face is used either adjectively or as part of a compound; as, face guard or face-guard; face cloth; face plan or face-plan; face hammer. <medicine> Face ague A crown wheel. A Wheel whose disk face is adapted for grinding and polishing; a lap. Cylinder face, one of the sides of a battalion when formed in a square. Face of a watch, clock, compass, card etc, the dial or graduated surface on which a pointer indicates the time of day, point of the compass, etc. Face to face. In the presence of each other; as, to bring the accuser and the accused face to face. Without the interposition of any body or substance. "Now we see through a glass darkly; but then face to face." 1 . With the faces or finished surfaces turned inward or toward one another; vis a vis; opposed to back to back. To fly in the face of, to defy; to brave; to withstand. To make a face, to distort the countenance; to make a grimace. Origin: F, from L. Facies form, shape, face, perh. From facere = to make (see Fact); or perh. Orig. Meaning appearance, and from a root meaning to shine, and akin to E. Fancy. Cf. Facetious. Source: Websters Dictionary (01 Mar 1998) |
| face form | The outline form of the face, the outline form of the face from an anterior view. (05 Mar 2000) |
| face peel | <procedure> Removal of skin blemishes such as wrinkles, freckles, or acne scars by chemical agents producing injury (trichloracetic, phenol, or other organic acids) or solid carbon dioxide. (05 Mar 2000) |
| face validity | The extent to which the items of a test or procedure appear superficially to sample that which is to be measured. (05 Mar 2000) |
| face-bow | <dentistry, equipment> A wire caliper-like device used to record the relationship of the jaws to the temporomandibular joints. The resulting record can then be used to create a cast or model of the maxilla to the opening and closing axis of the articulator. They consists of two metal parts attached together. The inner part is shaped like a horseshoe and is inserted in the mouth and connects to the buccal tubes. The outer part has two curves which go around the face, and connect to the headgear. An elastic neck band is placed around the back of the neck and attaches to the outer bow of the headgear. Completing the apparatus is a plastic safety strap that is placed over the neck band and onto the outer bow of the headgear. Synonym: hinge-bow, kinematic face-bow. (21 Jun 2000) |
| face-bow fork | <dentistry> That part of the face-bow assemblage used to attach the maxillary trial base to the face-bow proper. Synonym: bite fork. (05 Mar 2000) |
| face-bow record | <dentistry> A registration utilizing a face-bow of the position of the hinge axis and/or the condyles; the face-bow record is used to orient the maxillary cast to the opening and closing axis of the articulator. (05 Mar 2000) |
| facelift | <surgery> A surgical procedure designed to reduce the visible signs of aging in the face. Commonly referred to as a facelift. Recovery is typically 2-3 weeks duration. Synonym: rhytidectomy. (21 Jun 2000) |
| facet | 1. A little face; a small, plane surface; as, the facets of a diamond. Alternative forms: facette. 2. <anatomy> A smooth circumscribed surface; as, the articular facet of a bone. 3. The narrow plane surface between flutings of a column. 4. <entomology, zoology> One of the numerous small eyes which make up the compound eyes of insects and crustaceans. Origin: F. Facette, dim. Of face face. See Face. Source: Websters Dictionary (01 Mar 1998) |