最終更新日：2025/11/20

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(astronomy) one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)

音声機能が動作しない場合はこちらをご確認ください

正解を見る

solar day

編集履歴（0）

元となった辞書の項目

solar day

名詞

(astronomy) one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)

日本語の意味

（天文学）太陽に基づいて定義される1日の周期。つまり、正午から次の正午までの経過時間で、地球の場合は平均して約24時間ですが、季節により若干変動する。

このボタンはなに？

The length of a solar day varies slightly throughout the year due to Earth's elliptical orbit and axial tilt.

Google翻訳 / DeepL翻訳

太陽日（正午から次の正午までの時間）の長さは、地球の楕円軌道と地軸の傾きにより、年間を通じてわずかに変化します。

意味（1）

(astronomy) one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)

solar days

（ plural ）

ログイン / 新規登録

　

アプリをダウンロード！

DiQt（ディクト）

無料

★★★★★★★★★★