isoclinal /ˌaɪsəʊˈklɪnɪk/ (also isoclinic)

• 1. 

  ADJ sloping in the same direction and at the same angle 等倾的

• 2. 

  N an imaginary line connecting points on the earth's surface having equal angles of dip 等倾线 (Also called isocline, isoclinal line)