perihelial

perihelial
adjective see perihelion

New Collegiate Dictionary. 2001.

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Look at other dictionaries:

  • perihelial — See perihelion. * * * …   Universalium

  • perihelial — adj. of the perihelion, of closest point to the sun in the orbit of a planet or comet …   English contemporary dictionary

  • perihelial — peri·he·li·al …   English syllables

  • perihelial — |perə|hēlēəl adjective Etymology: New Latin perihelion + English al : of or relating to perihelion …   Useful english dictionary

  • perihelion — perihelial, perihelian, adj. /per euh hee lee euhn, heel yeuhn/, n., pl. perihelia / hee lee euh, heel yeuh/. Astron. the point in the orbit of a planet or comet at which it is nearest to the sun. Cf. aphelion. See diag. under aphelion. [1660 70; …   Universalium

  • perihelion — noun (plural perihelia) Etymology: New Latin, from peri + Greek hēlios sun more at solar Date: 1666 the point in the path of a celestial body (as a planet) that is nearest to the sun compare aphelion • perihelial adjective …   New Collegiate Dictionary

  • perihelion —   n. point in orbit nearest sun.    ♦ perihelial,    ♦ perihelian, a …   Dictionary of difficult words

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