aclinic line

noun

aclin·​ic line

(ˈ)ā-¦kli-nik-

: 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

Word History

Etymology

a- entry 2 + -clinic

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!