ブルートゥース
Burūtūsu[bɯ̟ɾɯ̟ːtɯ̟ːsɨ]
Bluetooth in Japanese is ブルートゥース. If unsure, use ブルートゥース (Burūtūsu). Wiktionary also lists 青歯 (Aoba).
Meaning: short-range wireless technology standard (name)
Ways to say it
| Japanese | Romanization (Wiktionary) | IPA | Note |
|---|---|---|---|
| ブルートゥース | Burūtūsu | [bɯ̟ɾɯ̟ːtɯ̟ːsɨ] (narrow) | |
| 青歯 | Aoba | [a̠o̞ba̠] (narrow) | slang |
The term refers to the short-range wireless technology standard. You can use it in compound words, such as Bluetoothスピーカー for a Bluetooth speaker.
Is there a formal and an informal way to say it?
ブルートゥース is the formal and standard way to refer to the technology. 青歯 is a slang term used in certain internet subcultures and is not standard terminology.
How do you pronounce it?
Burūtūsu
Did you know?
- The word 青 in 青歯 is the same character used for 'green' in certain contexts, such as 'green traffic lights' or 'green apples'.
- The word 'tooth' in the English name refers to a legendary Viking king, and while this history is lost in the Japanese katakana version, the kanji '青歯' preserves the literal meaning of that legend.
- If you use the word 青歯 in a polite conversation, people may think you are talking about someone having 'blue teeth' rather than wireless connectivity.
Examples in context
- ブルートゥースを使ってデータを転送しました。I transferred the data using Bluetooth.
- スマートフォンをブルートゥースに接続しました。I connected my smartphone to Bluetooth.
- ブルートゥースで接続します。Burūtūsu de setsuzoku shimasu.I will connect via bluetooth.
- ブルートゥースは使えますか？Burūtūsu wa tsukaemasu ka?Is bluetooth available?
- ブルートゥースのイヤホンを買いました。Burūtūsu no iyahon o kaimashita.I bought bluetooth earphones.
Example conversation
Two siblings are setting up a new speaker in the living room.
- 陽太 Yota陽葵、ブルートゥースで繋げるかな？Himari, Burūtūsu de tsunageru kana?Himari, can we connect it via bluetooth?
- 陽葵 Himariうん、陽太くん、設定を確認して。Un, Yōta-kun, settei o kakunin shite.Yeah, Yota, check the settings.
- 陽太 Yotaブルートゥースの検索に出てこないよ。Burūtūsu no kensaku ni dete konai yo.It's not appearing in the bluetooth search.
- 陽葵 Himariあ、電源が入っていないみたい。A, dengen ga haitte inai mitai.Oh, it looks like the power isn't on.
Sources
- Wiktionary, “bluetooth” translations and entries ブルートゥース, 青歯, CC BY-SA 4.0, dump of 2026-09-26.
- Word origins: Wiktionary entries ブルートゥース, 青歯, CC BY-SA 4.0.
