/pear"ee euhd looh'meuh nos"i tee/ , Astron.
the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
[ 1945-50 ]
/pear"ee euhd looh'meuh nos"i tee/ , Astron.
the relationship between the period of light variation and of the absolute magnitude of Cepheid variable stars.
[ 1945-50 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012