十進数
jisshinsū
The English word "decimal" can be translated into Japanese as 十進数 (jisshinsū) or 十進法.
Meaning: number system (noun)
Ways to say it
| Japanese | Romanization (Wiktionary) |
|---|---|
| 十進数 | jisshinsū |
| 十進法 | jisshinpō |
What does it mean word for word?
The term 十進数 is composed of 十 (ten), 進 (advance/progress) and 数 (number).
Which one should you use?
十進数 refers specifically to a decimal number, whereas 十進法 refers to the decimal system or method itself.
How do you pronounce it?
jisshinsū
Did you know?
- In Japanese schools, the concept of the decimal system is often taught using an 'abacus' (soroban), where the physical movement of beads represents the 'advance' implied by 進.
- The word 法 (hō) in 十進法 is the same character used for 'law' or 'rule', implying that a numbering system is a set of mathematical laws.
- The character 進 (shin) used in 十進法 is the same one found in the word for 'evolution' or 'progress', 進化 (shinka).
Examples in context
- これは十進数表記です。This is a decimal number.This sentence is useful for showing how to use the form 十進数.Tatoeba #11178854 by small_snow, translation #10815251 by AlanF_US
- コンピュータは二進数を使いますが、人間は十進数を使います。Konpyūta wa nijinsū o tsukaimasu ga, ningen wa jissinsū o tsukaimasu.Computers use binary, but humans use the decimal number system.
- この計算には十進数の知識が必要です。Kono keisan ni wa jissinsū no chishiki ga hitsuyō desu.This calculation requires knowledge of the decimal number system.
Example conversation
Kenta and Yui are studying mathematics together.
- 結衣 Yui十進数の仕組みを教えてくれる？Jissinsū no shikumi o oshiete kureru?Can you explain how the decimal number system works?
- 健太 Kentaもちろんだよ、結衣。Mochiron da yo, Yui.Of course, Yui.
- 結衣 Yui健太は数学が得意だね。Kenta wa sūgaku ga tokui da ne.You are good at math, Kenta.
- 健太 Kentaありがとう、一緒に勉強しよう。Arigatō, issho ni benkyō shiyō.Thanks, let's study together.
Sources
- Wiktionary, “decimal” translations, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.
