aclinic line
noun
aclin·ic line
\(ˈ)ā-¦kli-nik-\
Definition of aclinic line
: an imaginary line on the earth's surface roughly parallel to the geographical equator and passing through those points where a magnetic needle if suspended freely has no dip or inclination and assumes a horizontal position —called also magnetic equator — compare agonic line, isoclinic line
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Origin and Etymology of aclinic line
2a- + -clinic
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