放射線|ほうしゃせんhoushasen[0]heiban (flat)

Common
Definitions
  1. nounradiation
    その幼児ようじは放射線ほうしゃせんにさらされていた。↗
    The infant has been exposed to radioactive rays.
Synonyms & antonyms
  • Related放射ほうしゃNeutralRefers to the act of radiating or emitting, and to radial shapes, as in 「放射状」; 「放射線」 is the high-energy particles and electromagnetic waves themselves.
  • Related輻射ふくしゃWrittenA written term for the radiation of heat, light, etc., as in 「輻射熱」; 「放射線」 denotes the high-energy particles and electromagnetic waves themselves.

「放射線」 is the default for the rays themselves — high-energy particles and electromagnetic waves, as in 「放射線治療」. Use 「放射」 for the act of radiating or radial shapes, and 「輻射」, a written term, for heat or light radiation, as in 「輻射熱」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 高たかい運動うんどうエネルギーをもって流ながれる物質ぶっしつ粒子りゅうしと高こうエネルギーの電磁波でんじはの総称そうしょう。
  2. 2.の内うち、放射能ほうしゃのうに言及げんきゅうする文脈ぶんみゃくにおいて、放射性ほうしゃせい元素げんその放射性ほうしゃせい崩壊ほうかいで放出ほうしゅつされる粒子りゅうし放射線ほうしゃせんと電磁でんじ放射線ほうしゃせんの総称そうしょう。
  3. 2.の内うち、電磁でんじ放射線ほうしゃせんのこと。
Kanji in this word
See also

Say it right, write it right

Core lookup works fully offline, with cloud pronunciation and one-tap save & review. Free, no sign-up.

Free downloadWindowsFree downloadmacOSDownload on the App StoreGet it on Google Play
MobileiOS / Android

Android

QR code for the Google Play pageGet it on Google Play

Scan it with your Android phone to install, or search for “Tomoshi” on Google Play.

iOS

QR code for the App Store pageDownload on the App Store

Scan it with your iPhone camera to install, or search for “Tomoshi” in the App Store.

Install the browser extensionLook words up on any web page · Chrome / Edge / Safari

Screenshot of a Tomoshi lookup resultScreenshot of Tomoshi lookup results on a phone

Windows macOS Chrome / Edge / Safari extension iOS / Android