digit
n. 数字, 位数, 指头 [计] 数位; 位
发音
词形变化
教材释义与例句
数字；手指或足趾；一指宽
释义与例句
-
1.
A position in a sequence of numerals representing a place value in a positional number system.
数字
数学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.
-
2.
A distinct symbol representing a natural number in a positional number system.
数学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.
¹⁄₁₂ the apparent diameter of the sun or moon, (chiefly) as a measure of the totality of an eclipse.
天文A six-digit eclipse covers half the lunar surface.
-
4.
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, now equivalent to about 1.9 cm.
历史 -
5.
Synonym of inch.
废旧 -
6.
A narrow extremity of the human hand or foot: a finger, thumb, or toe.
手指
脚趾
医学 -
7.
Similar or similar-looking structures in other animals.
生物 动物学 -
8.
Synonym of degree: ¹⁄₃₆₀ of a circle.
废旧 罕用 数学 -
9.
Synonym of manicule.
-
1.
To point at or point out with the finger.
古体 及物
词汇关系
相关短语
词源
From Middle English digit, from Latin digitus (“a finger; a number”). Doublet of digitus and dedo.
来源：wiktionary