ラジオ

ラジオ

Japanese

Alternative spelling
ラヂオ (dated)

Etymology

From English radio.[1][2][3][4][5][6][7]

First cited to a text from 1924.[1]

Pronunciation

• (Tokyo) ラ​ジオ [ráꜜjìò] (Atamadaka – [1])[6][7]
• IPA^(key): [ɾa̠ʑio̞]

• (Osaka) ラジ​オ (Nakadaka)

Noun

ラジオ • (rajio) 

1. [from 1924] radio

   Synonyms: (Kagoshima) ダジオ (dajio), 無線 (musen, literally “wireless”)

   ラジオを聞(き)く

   rajio o kiku

   listen to the radio

2. [from 1952] (slang, dated) broke, having no money; dining and dashing (punning off of 無線 (musen, “wireless”) with the sense of 無銭 (musen, “money-less”))

   Synonyms: (no money) 無銭 (musen), (dining and dashing) 無銭飲食 (musen inshoku)

3. radiation (when used as part of a compound)

   ラジオアイソトープ

   rajio-aisotōpu

   radioisotope

   Synonym: 放射 (hōsha)

References

1. “ラジオ”, in 日本国語大辞典 (Nihon Kokugo Daijiten, “Nihon Kokugo Daijiten”)‎ (in Japanese), 2nd edition, Tōkyō: Shogakukan, 2000, →ISBN
2. “ラジオ”, in デジタル大辞泉 (Dejitaru Daijisen)‎ (in Japanese), Tōkyō: Shogakukan, updated roughly every four months
3. “ラジオ”, in 世界大百科事典 第２版 (Sekai Dai-hyakka Jiten Dainihan, “Heibonsha World Encyclopedia Second Edition”)‎ (in Japanese), Tōkyō: Heibonsha, 1998
4. “ラジオ”, in ブリタニカ国際大百科事典 小項目事典 (Buritanika Kokusai Dai Hyakka Jiten: Shō Kōmoku Jiten, “Encyclopædia Britannica International: Micropædia”)‎ (in Japanese), Tōkyō: Britannica Japan Co., Ltd., 2014
5. “ラジオ”, in 日本大百科全書：ニッポニカ (Nippon Dai Hyakka Zensho: Nipponica, “Encyclopedia Nipponica”)‎ (in Japanese), Tōkyō: Shogakukan, 1984
6. 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
7. 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, →ISBN