Definify.com
Definition 2025
自然数
自然数
See also: 自然數
Chinese
|  For pronunciation and definitions of 自然数 – see 自然數. (This term, 自然数, is the simplified form of 自然數.)  | 
 Notes:
  | 
Japanese
| Kanji in this term | ||
|---|---|---|
| 自 | 然 | 数 | 
| 
し Grade: 2  | 
ぜん Grade: 4  | 
すう Grade: 2  | 
| on'yomi | ||
Etymology
自然 (shizen, “nature”) + 数 (sū, “number”)
Pronunciation
- On'yomi
 - (Tokyo) しぜんすう [shìzéꜜǹsùù] (Nakadaka - [2])[1][2][3]
 - (Tokyo) しぜんすう [shìzéńsúꜜù] (Nakadaka - [4])[2][3]
 - IPA(key): [ɕizẽ̞nsɯᵝː]
 
Noun
自然数 (hiragana しぜんすう, romaji shizensū)
References
- ↑ 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9
 - 1 2 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, ISBN 978-4-14-011112-3
 - 1 2 1997, 新明解国語辞典 (Shin Meikai Kokugo Jiten), Fifth Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13143-0