Definition of isoclinal in English:

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Pronunciation: /ˌīsəˈklīnl/
Pronunciation: /ˌīsōˈklīnl/


Denoting a fold of strata so acute that the two limbs are parallel.
Example sentences
  • Large tight or isoclinal folds with limbs several tens of metres long occur locally.
  • However, quarry outcrops of mainly white halitic mylonites display isoclinal folds that suggest a more impressive past.
  • These isoclinal folds deform ‘early’ domains which record a pre-Main Central Thrust compositional banding.


Mid 19th century (denoting 'equal magnetic inclination'): from iso- 'equal' + Greek klinein 'to lean, slope' + -al.

For editors and proofreaders

Syllabification: i·so·cli·nal

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