digitとは

発音

• enPR: dĭ'jĭt, IPA^(key): /ˈdɪdʒɪt/
• 韻: -ɪdʒɪt

名詞

The Egyptian hieroglyph for "digit" (ḏbꜥ, D50).

digit (複数形 digits)

1. (mathematics) The whole numbers from 0 to 9 and the Arabic numerals representing them, which are combined to represent base 10 numbers.

   The 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.

2. (mathematics) Similarly fundamental numerals in other systems.

   Hexadecimal numeration (Base 16) includes the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 but also A (=10), B (=11), C (=12), D (=13), E (=14), and F (=15). Sixteen itself is written as the two-digit number 10.

3. (units of measure, astronomy) ¹⁄₁₂ the apparent diameter of the sun or moon, (chiefly) as a measure of the totality of an eclipse.

   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 ¹⁄₁₆ foot (about 1.9 cm).
5. (units of measure, obsolete) Synonym of inch.
6. (anatomy) A narrow extremity of the human hand or foot: a finger, thumb, or toe.
7. (zoology) Similar or similar-looking structures in other animals.
   • Owen

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

8. (geometry, まれに, obsolete) Synonym of degree: ¹⁄₃₆₀ of a circle.

同意語

• (numerical place): place, figure (くだけた用法, usually in discussion of money)
• (astronomical unit): finger (廃れた用法)
• (unit of length): finger, fingerbreadth, fingersbreadth

下位語

• (extremity of the hand または foot): finger, thumb, toe

関連する語

• digits

派生語

• digital
• digit counter
• digitize
• digit number (廃れた用法)
• digit pulse

動詞

digit (三人称単数 現在形 digits, 現在分詞 digiting, 過去形および過去分詞形 digited)

1. (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.