Last Updated
：2026/01/04
赤外線
Hiragana
せきがいせん
Noun
abbreviation
alt-of
Japanese Meaning
電磁波の一種で、可視光線より波長が長く、熱として感じられる放射線。リモコンや各種センサー、通信などに利用される。 / 赤外線を利用した通信方式やそのシステム。赤外線通信。
Easy Japanese Meaning
めにはみえないあたたかいひかり。あつさをつたえるはたらきがある。
Chinese (Simplified) Meaning
红外线；红外辐射 / 红外线通信的简称
Chinese (Traditional) Meaning
紅外線；波長長於可見光紅端的電磁輻射 / 紅外線通信的簡稱；以紅外線進行近距離無線資料傳輸的技術
Korean Meaning
적외선; 가시광선보다 긴 파장의 전자기파 / 적외선 통신의 약칭
Vietnamese Meaning
bức xạ hồng ngoại / truyền thông hồng ngoại
Tagalog Meaning
radyasyong infrapula / komunikasyong infrapula
Sense（1）
infrared radiation
Sense（2）
Short for 赤外線通信 (sekigaisen tsūshin, “IR communication”).
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
infrared radiation / Short for 赤外線通信 (sekigaisen tsūshin, “IR communication”).
See correct answer
赤外線
See correct answer
This camera has a function to detect infrared radiation.
This camera has a function to detect infrared radiation.
See correct answer
このカメラは赤外線を検出する機能があります。
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