/uy"seuh pak'/ , n. Geol.
a line drawn on a map connecting all points of equal thickness of a particular geologic formation.
[ 1915-20; ISO- + -pach páchos thickness ]
/uy"seuh pak'/ , n. Geol.
a line drawn on a map connecting all points of equal thickness of a particular geologic formation.
[ 1915-20; ISO- + -pach páchos thickness ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012