English Dictionary

perihelion

IPA（発音記号）

/ˌpɛɹ.ɪˈhiː.lɪ.ən/

名詞

比喩的用法

(astronomy) The point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun. / (figuratively) The highest point or state; the peak, zenith.

日本語の意味

近日点（天文学では、彗星や惑星などの楕円軌道において、太陽に最も近い点を指す） / 絶頂、頂点（比喩的には、最高点や最高潮を意味する）

The comet's brightness increased dramatically as it approached perihelion, the point in its orbit nearest the Sun.

彗星は軌道上で太陽に最も近づく地点（近日点）に近づくにつれて明るさが劇的に増した。

意味（1）

(astronomy) The point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun.

The æquation of the Earth encreaſeth from her Aphelion, until ſhe come to the point where it's greateſt, and from thence it again decreaſeth till ſhe come to her Perihelion, or oppoſite Auge: in like manner it increaſeth from her Perihelion to the point where it's greateſt, and afterwards decreaſeth till ſhe come againe to the Auge or Aphelion, …

意味（2）

(figuratively) The highest point or state; the peak, zenith.

[T]he magnificence of his compliment had quite shaken the general's [Ulysses S. Grant's] modesty, and that he could only say that France must come to the perihelion of her glory under such rulers as Grevy [i.e., Jules Grévy].

perihelia （ plural ）

perihelions （ plural proscribed ）