English Dictionary

amplitude

IPA（発音記号）

/ˈæm.plɪ.tud/

名詞

可算名詞 不可算名詞

The measure of something's size, especially in terms of width or breadth; largeness, magnitude.

日本語の意味

対象の大きさ、特に幅や広がりに注目した寸法や規模 / 広さや規模の意味での大きさ

Researchers measured the amplitude of the coastline's erosion to estimate how much land would be lost over the next decade.

研究者たちは、今後十年間に失われる土地の量を推定するために、海岸線の浸食の程度を測定した。

意味（1）

The measure of something's size, especially in terms of width or breadth; largeness, magnitude.

The cathedral of Lincoln […] is a magnificent structure, proportionable to the amplitude of the diocese.

意味（2）

(mathematics) The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.

意味（3）

(physics) The maximum absolute value of some quantity that varies.

意味（4）

(astronomy) The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also northern or southern, when north or south of the equator.

意味（5）

(astronomy) The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.

意味（6）

(firearms) The horizontal line which measures the distance to which a projectile is thrown; the range.

amplitudes （ plural ）