isogonic /ī-sō-gonˈik/ or isogonal /ī-sogˈə-nəl/

Of equal angles, esp of magnetic declination

An isogonic line or contour line of magnetic declination

iˈsogon noun

An equiangular polygon

• refreshing
• refreshingly
• refreshment
• refreshment-room
• pinnulated
• pinnule
• pinnules
• pinny
• pinnywinkle
• pinochle
• pinochles
• pinocle
• pinocles
• pinocytoses
• pinocytosis
• pinole
• pinoles
• pin one's faith on
• pin one's hopes on
• pin on one's sleeve
• Pinot
• pinotage
• pinotages
• Pinots
• PIN pad