decimal
/ˈdesɪml/ (bre, ipa) · /ˈdesɪml/ (ame, ipa) · /ˈde-sə-məl ˈdes-məl/ (ame, mw) · /ˈdes.ɪ.məl/ (bre, ipa) · /ˈdes.ə.məl/ (ame, ipa)
decimal — 形容詞
- decimalpositive
- more decimalcomparative
- most decimalsuperlative
1. relating to a counting system in which each position has a value ten times the p
十進位
以十為基數的計數系統
relating to a counting system in which each position has a value ten times the position to its right, and all numbers are written using the digits 0 through 9.
The recipe uses decimal measurements, so Paul needed a scale that could weigh grams.
這份食譜使用十進位度量，所以 Paul 需要一個能秤公克的秤。
collocation: decimal measurements
Ramón read the decimal number 307 as three hundreds, zero tens, and seven ones.
Ramón 讀出十進位數字 307，表示三個百、零個十和七個一。
place value in the decimal system
Élise wrote the fraction three-fourths as the decimal number 0.75.
Élise 將分數四分之三寫成十進位數字 0.75。
The engineer asked Sivan to give all measurements to two decimal places.
工程師要求 Sivan 將所有測量值精確到小數點後兩位。
- base-ten
more technical; used mainly in mathematics and computing
文法句型
decimal + noun
用法筆記
This adjective almost always appears before a noun — you will hear 'decimal system', 'decimal number', 'decimal point', and 'decimal place'. It is not used predicatively (❌ 'The system is decimal' sounds unnatural in most contexts).
常見錯誤
decimal — 名詞
- decimalsingular
- decimalsplural
1. a number written with a decimal point (.), where the digits to the right of the
小數
以小數點表示部份數值的數字
a number written with a decimal point (.), where the digits to the right of the point show values smaller than one, such as 0.75 or 3.14.
Omar rounded the decimal 3.14159 to three places and got 3.142.
Omar 將小數 3.14159 四捨五入到小數點後三位，得到 3.142。
rounding a decimal to a given number of places
Yael added 0.75 and 0.50 on her calculator to find the total cost.
Yael 用計算機將 0.75 和 0.50 相加，算出總金額。
adding decimals on a calculator
When Reuben checked his calculation, he noticed the decimal was in the wrong position.
Reuben 檢查計算結果時，發現小數點的位置不對。
Anthony pressed the decimal key too early and entered 3.5 instead of 35.
Anthony 太早按到小數點鍵，結果輸入 3.5 而不是 35。
- decimal fraction
more formal; emphasizes that the number is a fraction written with a decimal point
- decimal number
more explicit but less common in everyday speech
- integer
a whole number without a fractional part
- whole number
a number that is not a fraction or decimal
文法句型
decimal + verb (round, convert, calculate)
用法筆記
In everyday speech, 'decimal' is often short for 'decimal fraction' — a number with digits after the decimal point. It contrasts with 'whole number' or 'integer'. When reading a decimal aloud, say each digit after the point separately: 3.14 is 'three point one four', not 'three point fourteen'.