Word Meaning 赤外線

せきがいせん sekigaisen

赤外線 is read as せきがいせん (sekigaisen) and means infrared rays.

Meaning

English

  1. infrared rays
  2. infrared radiation

Reading

Kana

せきがいせん

Romaji

sekigaisen

Stroke Sequence

3 Characters • 27 Total Strokes

Study Signals and Categories

JLPT N2 Jōyō Grade 2 Kanken 9級 Antonyms 紫外線 Rank 12222 Priority B

Related Vocabulary

Max. 12

赤外線通信

せきがいせんつうしん

infrared data communication

赤外線電球

せきがいせんでんきゅう

infrared lamp

赤外線センサ

せきがいせんせんさ

infrared sensor

赤外線写真

せきがいせんしゃしん

infrared photography

赤外線療法

せきがいせんりょうほう

infrared therapy

近赤外線

きんせきがいせん

near infrared ray

遠赤外線

えんせきがいせん

far-infrared rays

赤線

あかせん

non-legal public road (denoted by a red line on cadastral maps; sometimes no longer physically existing)

赤字路線

あかじろせん

loss-making line (railway, bus, etc.)

赤線区域

あかせんくいき

red-light district

赤線地帯

あかせんちたい

red-light district (marked by a red line on police maps)

Example Sentences

3

Our eyes can't see infrared light.

Infrared and ultra-violet rays are types of light invisible to the human eye.

Are the only electromagnetic wavelengths that humans can directly perceive the light we see using our eyes and infrared radiation that warms our skin?