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太陽儀 (たいようぎ) Japanese meaning | Kotomora

太たい陽よう儀ぎ

た

い

よ

う

ぎ

Meanings

1

noun

heliometer

astronomy

A specialized astronomical instrument for measuring the sun's diameter or angular distances between celestial bodies. Technical term.

19世せい紀きの天てん文もん学がく者しゃは太たい陽よう儀ぎを使つかって太たい陽ようの直ちょっ径けいを精せい密みつに測そく定ていした。
19th-century astronomers used a heliometer to precisely measure the sun's diameter.

Kanji

太plump, thick, big around
陽sunshine, yang principle, positive
儀ceremony, rule, affair

Etymology

Compound of 太陽 (taiyō, 'sun') + 儀 (gi, 'instrument'). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'heliometer'.