| 释义 |
▪ I. digit, n.|ˈdɪdʒɪt|
[ad. L. digit-us finger.]
1. One of the five terminal divisions of the hand or foot; a finger or toe.
a. In ordinary language, a finger. Now only humorous or affected.
1644Bulwer Chirol. A iij b, Where every Digit dictates and doth reach Unto our sense a mouth-excelling speech. 1677W. Hubbard Narrative Postcr. 10 They had dismembred one hand of all its digits. 1864Sala in Daily Tel. 21 Nov., Why should they spoil their pretty digits with thimble and housewife?
b. Zool. and Comp. Anat. (The proper term.)
1802Med. Jrnl. VIII. 283 We find among reptiles, all the combinations of digits, from five to one, taken between two pairs of hands or claws. 1854Owen Skeleton in Circ. Sc., Organ. Nat. I. 219 In the marine chelonia the digits of both limbs are elongated. 1870Rolleston Anim. Life 17 In the foot the fifth or outer digit is never present. 1881Mivart Cat 285 The special organ of touch is the skin, above all the skin of the muzzle, tongue, and digits.
2. The breadth of a finger used as a measure; a finger's breadth, three-quarters of an inch. Sometimes used as = an inch.
The Roman digitus was 1/16 of the foot (pes) = 0·728 of an inch, or 18·5 millimeters.
a1633Austin Medit. (1635) 108 The Inch (or digit,) the Palme, the Foote..are (all) Measures, which wee carry in our Bodie. 1635N. Carpenter Geog. Del. i. viii. 195 A cubit contains, according to Heron, a Foot and halfe, or 24 Digits. 1649G. Daniel Trinarch., Hen. V, ccliv, 'Tis..farre beyond our Skill To measure out by Digits, Harrie's fame. 1669Boyle Contn. New. Exp. ii. (1682) 5 When..the Mercury in the Tube..descends to the height of 29 Digits (I take Digits for Inches throughout all this Tract). 1807Robinson Archæol. Græca iii. xx. 321 A certain round plate three or four digits (or between two and three inches) thick. 1864H. Spencer Illustr. Univ. Progr. 161 The Egyptian cubit..was divided into digits, which were finger-breadths.
3. a. Arith. Each of the numerals below ten (originally counted on the fingers), expressed in the Arabic notation by one figure; any of the nine, or (including the cipher, 0) ten Arabic figures.
[1398Trevisa Barth. De P.R. xix. cxxiii. (1495) 923 Eche symple nombre byneth ten is Digitus: and ten is the fyrst Articulus.] c1425Craft Nombrynge (E.E.T.S.) 3 Þere ben thre spices of nombur. Oone is a digit, Anoþer is an Articul, & þe toþer a Composyt. 1542Recorde Gr. Artes (1575) 53 A Digit is any number vnder 10. 1646Sir T. Browne Pseud. Ep. iv. iv. 186 On the left [hand] they accounted their digits and articulate numbers unto an hundred, on the right hand hundreds & thousands. 1674S. Jeake Arith. (1696) 5 Integers are..divided into Digits, Articles, and mixt numbers. 1788Priestley Lect. Hist. v. xxxvi. 264 The nine digits in Arithmetic. 1827Hutton Course Math. I. 4 The Numbers in Arithmetic are expressed by the..ten digits, or Arabic numeral figures. 1893Sir R. Ball Story of Sun 56 The seven..may be in error by one or even two digits.
attrib.1613Jackson Creed i. 91 Three from foure, or one digite number from the next vnto it.
b. Freq. used attrib., esp. of parts and data in mechanical calculators, digital computers, etc., as digit counter, digit pulse, etc.
1921C. D. Lake U.S. Pat. 1,372,965 2/2 If the hole in the card represents the numeral 5, the register wheel will be turned five digit spaces. 1946Nature 12 Oct. 500/2 ‘Digit trays’ for carrying pulse groups representing numerical data from one unit to another. 1948Proc. Symposium Large-Scale Digital Calculating Mach. 34 Numbers are transferred from one unit of the ENIAC to another by digit trunks, which carry eleven lines, one for each digit of the number, and one for the sign of the number. Ibid. 271 If we now look at the digit pattern in the register at the beginning of digit time 1, we will find that all the digits will have been advanced by one digit position, excepting digit number 1, which has been deleted. 1955R. K. Richards Arith. Operations in Digital Computers vii. 193 ‘Digit counter’ will be used to describe the individual multistable counting elements. 1959Economist 20 June 1110/2 In the search for higher computer speeds, one obvious approach was to raise the ‘digit frequency’ or pulse rate of the machine. 1959C. V. L. Smith Electronic Digital Computers x. 238 Some means is needed to reduce the four levels of Vs essentially to two... This is accomplished by a circuit called a ‘digit resolver’. 1963Gould & Ellis Digital Computer Technology iv. 29 Single logic elements can be made to work at digit rates of say 100 megacycles per second. Ibid. vi. 50 It is not uncommon to speak of pulses which represent unit signals as ‘digit pulses’. Ibid. 51 Such circuits are also of use where a deliberate delay of one digit time is required, and are commonly called digit delays.
4. Astron. The twelfth part of the diameter of the sun or moon; used in expressing the magnitude of an eclipse.
1591Nashe Prognostication, Wheras the Sun is darkned but by digits, and that vpon y⊇ south points. 1687Dryden Hind & P. ii. 609 We..Can calculate how long th' eclipse endur'd, Who interpos'd, what digits were obscur'd. 1706Hearne Collect. 2 May, Ye Sun..was darkned 10 digits ½. 1854Moseley Astron. xlv. (ed. 4) 147 The usual method..is to divide the whole diameter of the disc into twelve equal parts called digits. 1879Proctor Rough Ways (1880) 9 The ring was about a digit in breadth.
†5. Geom. A degree of a circle, or of angular measure. Obs. rare.
1653Gataker Vind. Annot. Jer. 35 By their Calculation it was but eleven digits, and one fourth, which I conceiv to be fifteen minutes..a digit consisting of sixty minutes.
▸ † adj. attrib. Designating a whole number less than ten. Obs.
In quot. 1610 confused with articulate adj. 5.
1539Introd. Lerne Recken Pen sig. a.b, Thou muste note that there be in algorisme thre maner of numbers, Diget number, Artycle, and Composte. The dygette nomber, is all maner of numbres, whiche are under.x.as these. 9 8 7 6 5 4 3 2 1. [1610E. Bolton Elem. Armories xxxii. 181 The first, and cheif, is the number of six, which..decreaseth in euery rancke to the base point, and produceth an Odde,..which no other articulate number can effect... The first of digit numbers is Ten.] 1679R. Chamberlain Chamberlain's Arithmetick v. 75 By this way of multiplying your Divisor by the nine digit Numbers, you may, First observe to be very useful, not only in this way of dividing downward, but in all other ways of Division. 1735W. Mason La Plume volante (ed. 5) 65 All Digit Numbers are from One to Nine. 1791Scriptores Logarithmici II. 46 Several logarithms for digit numbers, and mixt numbers.
▪ II. † ˈdigit, v. Obs. rare.
[f. prec. n.: cf. L. digito monstrare to point out with the finger.]
trans. To point at with the finger; to point out, indicate.
1627–77Feltham Resolves i. xxviii. 48, I shall never care to be digited, with a That is he. 1708Brit. Apollo No. 107. 2/2 A most Pathetic Emblem this, To Digit out the Surest Bliss. |