赤外線

赤外線

Japanese

Kanji in this term
赤	外	線
せき Grade: 1	がい Grade: 2	せん Grade: 2
on’yomi

Etymology

From 赤 (seki, “red”) +‎ 外 (gai, “outside”) +‎ 線 (sen, “ray”). Compare Chinese 紅外線.

Pronunciation

• On’yomi: Kan’on
  • (Tokyo) せきがいせん [sèkígáíséń] (Heiban – [0])[1][2][3]
  • IPA^(key): [se̞kʲiɡa̠isẽ̞ɴ]

Noun

赤外線 (hiragana せきがいせん, rōmaji sekigaisen, historical hiragana せきぐわいせん)

1. infrared radiation
2. Short for 赤外線通信 (sekigaisen tsūshin, “IR communication”).
   • 2011, 櫻井千姫 (Sakurai Chihime), 天国までの49日間, 2nd edition, スターツ出版, page 26:

     メアド教 (おし)えてー、赤外線 (せきがいせん)しよー、とまとわりついてくる女 (おんな)の子 (こ)たち

     meado oshietē, sekigaisen shiyō, to matowaritsuitekuru onna no ko-tachi

     girls who surrounded him saying things like 'tell me your email!' and 'let's IR!'

Descendants

• → Korean: 적외선 (jeogoeseon)

See also

• 紫 (し)外 (がい)線 (せん) (shigaisen, “ultraviolet radiation”)

References

1. 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
2. 1997, 新明解国語辞典 (Shin Meikai Kokugo Jiten), Fifth Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
3. 1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, →ISBN

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Korean

Hanja in this term
赤	外	線

Noun

赤外線 • (jeogoeseon, McCune-Reischauer: chŏgoesŏn, Yale: cek.oysen) (hangeul 적외선)

1. Hanja form^? of 적외선 (“infrared radiation”).