1. An imaginary line connecting points on the Earth's surface where the magnetic declination is the same
   - isogonic line, isogone

Derived forms: isogonal lines

Type of: line

• see the light
• see through
• see to it
• seeable
• seed
• seed beetle
• seed catalog
• seed catalogue
• seed coat
• seed corn
• stepbrother
• stepchild
• stepdame
• stepdaughter
• stepfamily
• stepfather
• Stephane Grappelli
• Stephane Mallarmé
• Stephanie Graf
• stephanion
• Stephanomeria
• Stephanomeria malheurensis
• stephanotis
• Stephanotis floribunda
• Stephanus Johannes Paulus Kruger