| memory span | The maximum number of items recalled after a single presentation (auditory or visual). (05 Mar 2000) |
|---|---|
| span | 1. <anatomy> The space from the thumb to the end of the little finger when extended; nine inches; eighth of a fathom. 2. Hence, a small space or a brief portion of time. "Yet not to earth's contracted span Thy goodness let me bound." (Pope) "Life's but a span; I'll every inch enjoy." (Farquhar) 3. The spread or extent of an arch between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between its supports. 4. A rope having its ends made fast so that a purchase can be hooked to the bight; also, a rope made fast in the center so that both ends can be used. 5. A pair of horses or other animals driven together; usually, such a pair of horses when similar in colour, form, and action. Span blocks, a large bolt driven through the forecastle deck, with a triangular shackle in the head to receive the heel of the old-fashioned fish davit. Origin: AS. Spann; akin to D. Span, OHG. Spanna, G. Spanne, Icel. Sponn. See Span. (17 Mar 1998) |
| binary digit | The smallest unit of digital information expressed in the binary system of notation (either 0 or 1). The signal in computing. (05 Mar 2000) |
| ventral surface of digit | The flat of the fingers; the flexor or anterior surface of the fingers. Synonym: facies digitalis ventralis, facies digitalis palmaris, ventral surface of digit. (05 Mar 2000) |
| supernumerary digit | An extra finger or toe. (12 Dec 1998) |
| digit | 1. <zoology> One of the terminal divisions of a limb appendage; a finger or toe. "The ruminants have the "cloven foot," i. E, two hoofed digits on each foot." (Owen) 2. A finger's breadth, commonly estimated to be three fourths of an inch. 3. <mathematics> One of the ten figures or symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, by which all numbers are expressed; so called because of the use of the fingers in counting and computing. By some authorities the symbol 0 is not included with the digits. 4. <anatomy> One twelfth part of the diameter of the sun or moon; a term used to express the quantity of an eclipse; as, an eclipse of eight digits is one which hides two thirds of the diameter of the disk. Origin: L. Digitus finger; prob. Akin to Gr, of uncertain origin; possibly akin to E. Toe. Cf. Dactyl. Source: Websters Dictionary (01 Mar 1998) |
| digit, supernumerary | An extra finger or toe. (12 Dec 1998) |
| dorsal surface of digit | The dorsal surface of a finger or toe. Synonym: facies digitalis dorsalis. (05 Mar 2000) |