isopycnic /ī-sō-pikˈnik/

A contour line of equal atmospheric density

• flannelette
• flannelettes
• flannel-flower
• flannel-flowers
• flannelgraph
• flannelled
• flannelling
• flannelly
• flannels
• flannen
• flannens
• flans
• flap
• flapdoodle
• flapdoodles
• flap-dragon
• flap-eared
• flapjack
• flapjacks
• flap-mouthed
• flappable
• flapped
• flapper
• flapperhood
• flapperhoods