PERIASTRON


Meaning of PERIASTRON in English

— periastral , adj.

/per'ee as"treuhn, -tron/ , n. , pl. periastra /-treuh/ . Astron.

the point at which the stars of a binary system are closest (opposed to apastron ).

[ 1850-55;

ástron star; modeled on perihelion ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .