えんせきがいせん
Meanings
Noun
1. far-infrared rays; far-infrared radiation; FIR
Kanji used
far
red
outside
line
Pitch accent
んせきがいせん
Composed of
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)