digitとは 意味・読み方・使い方

語源

From 中期英語 digit, from Latin digitus (“a finger; a number”). Doublet of digitus and dedo.

発音

• enPR: dĭ'jĭt, IPA: /ˈdɪd͡ʒɪt/
• 韻: -ɪdʒɪt

名詞

digit (plural digits)

1. (mathematics) A position in a sequence of numerals representing a place value in a positional number system.

   Synonyms: place; figure (informal, usually in discussion of money)

   The base-10 number 123.4 has four digits: the hundreds digit is 1, the tens digit is 2, the units digit is 3, and the tenths digit is 4.

   • 2017 October, “DIGITAL MULTIMETER M-1000E”, in Elenco‎, page 4:

     This meter is a 3½ digit digital multimeter that is rugged, reliable and convenient to use, while providing all of the accuracy and features needed for any application.

2. (mathematics) A distinct symbol representing a natural number in a positional number system.

   Hexadecimal numeration (Base sixteen) includes the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 but also A (=10 decimal), B, C, D, E, and F. Sixteen itself is written as the two-digit number 10.

3. (units of measure, astronomy) ⁄₁₂ the apparent diameter of the sun or moon, (chiefly) as a measure of the totality of an eclipse.

   Synonym: finger (obsolete)

   A six-digit eclipse covers half the lunar surface.

4. (historical units of measure) A unit of length notionally based upon the width of an adult human finger, standardized differently in various places and times, (especially) the English digit of ⁄₁₆ foot, now equivalent to about 1.9 cm.

   Synonyms: finger, fingerbreadth, fingersbreadth

5. (units of measure, obsolete) Synonym of inch.
6. (anatomy) A narrow extremity of the human hand or foot: a finger, thumb, or toe.

   Hyponyms: finger, thumb, toe

   • 2018, Shiv Kotecha, The Switch, United States: Wonder, →ISBN, page 144:

     Jai grabbed Andrew’s shoulders with the same three digits he had used to grab the ancient doubter’s skull and spun him around.

7. (zoology) Similar or similar-looking structures in other animals.
   • 1866, Richard Owen, Anatomy of Vertebrates:

     The ruminants have the cloven foot, i.e. two hoofed digits on each foot.

8. (geometry, rare, obsolete) Synonym of degree: ⁄₃₆₀ of a circle.
9. Synonym of manicule.

下位語

• (position in a sequence of numerals, symbol in a positional number system): bit

等位語

• (unit of length): palm, span, handspan, cubit, fathom

派生語

関連する語

• digits

動詞

digit (third-person singular simple present digits, present participle digiting, simple past and past participle digited)

1. (archaic, transitive) To point at or point out with the finger.

参照

• "digit, n. and adj.", in the Oxford English Dictionary, Oxford: Oxford University Press.

語源

Borrowed from Latin digitus.

発音

• IPA: /ˈdidʒit/, /ˈdidʒitus/

名詞

digit (plural digitys)

1. digit (Arabic numeral)

派生した語

• English: digit

参照

• “diǧit, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 21 February 2019.