ALL meanings of isopycnal
i·so·pyc·nic
I i - noun isopycnal A surface of constant density in a fluid (especially in water). 1
- adjective isopycnal Also, isopycnal [ahy-suh-pik-nl] /ˌaɪ səˈpɪk nl/ (Show IPA). having the same density. 1
- noun isopycnal a line drawn on a map connecting all points having the same density, as of water or air. 1
- noun isopycnal a line on a map connecting points of equal atmospheric density 0