/see"neuhs meuh rid'ee ah"nee ee', suy"neuhs meuh rid'ee ay"nee uy'/
an area on the equator of Mars, appearing as a dark region when viewed telescopically from the earth.
/see"neuhs meuh rid'ee ah"nee ee', suy"neuhs meuh rid'ee ay"nee uy'/
an area on the equator of Mars, appearing as a dark region when viewed telescopically from the earth.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012