English-Thai Dictionary

perihelion

N ตำแหน่ง โคจร ของ ดาวนพเคราะห์ ที่อยู่ ใกล้ ดวงอาทิตย์ ที่สุด  near approach perigee tam-nang-kong-dao-nob-pa-kor-ti-kai-dui-ar-tid-ti-sud

 

Webster's 1828 Dictionary

PERIHELION, PERIHELIUM

n.[Gr. about, and the sun. ] That part of the orbit of a planet or comet, in which it is at its least distance from the sun; opposed to aphelion.

 

Webster's 1913 Dictionary

PERIHELION; PERIHELIUM

Per `i *hel "ion, Per `i *he "li *um, n.; pl. Perihelia. Etym: [NL. , fr. Gr. (Astron.)

 

Defn: That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to Ant: aphelion.

 

New American Oxford Dictionary

perihelion

per i he li on |ˌperəˈhēlyən, -ˈhēlēən ˌpɛrəˈhiljən | ▶noun ( pl. perihelia |-ˈhēlyə, -ˈhēlēə | or perihelions ) Astronomy the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. The opposite of aphelion. ORIGIN mid 17th cent.: alteration of modern Latin perihelium (by substitution of the Greek ending -on ), from Greek peri- ‘around ’ + hēlios ‘sun. ’

 

Oxford Dictionary

perihelion

perihelion |ˌpɛrɪˈhiːlɪən | ▶noun ( pl. perihelia |-lɪə | ) Astronomy the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun. The opposite of aphelion. ORIGIN mid 17th cent.: alteration of modern Latin perihelium (by substitution of the Greek inflection -on ), from Greek peri- ‘around ’ + hēlios ‘sun ’.

 

Duden Dictionary

Perihel

Pe ri hel Substantiv, Neutrum Astronomie , das Perihelium |Perih e l |zu griechisch perí = um – herum, nahe bei und hḗlios = Sonne Punkt der geringsten Entfernung eines Planeten von der Sonne

 

Perihelium

Pe ri he li um Substantiv, Neutrum Astronomie , das Perihel |Perih e lium |das Perihelium; Genitiv: des Periheliums, Plural: die Perihelien zu griechisch perí = um – herum, nahe bei und hḗlios = Sonne Punkt der geringsten Entfernung eines Planeten von der Sonne

 

Spanish Dictionary

perihelio

perihelio nombre masculino Punto de la órbita de un planeta más próximo al Sol :las velocidades de los planetas en el perihelio son siempre mayores que en el afelio (punto más alejado ).