( a. )
Having equal density, as different regions of a medium; passing through points at which the density is equal; as, an isopycnic line or surface.
( a. )
Having equal density, as different regions of a medium; passing through points at which the density is equal; as, an isopycnic line or surface.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012