The Collaborative International Dictionary
Unconformable \Un`con*form"a*ble\, a.
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Not conformable; not agreeable; not conforming.
Moral evil is an action unconformable to it [the rule of our duty].
--I. Watts. (Geol.) Not conformable; not lying in a parallel position; as, unconformable strata. [1913 Webster] -- Un`con*form"a*ble*ness, n. -- Un`con*form"a*bly, adv.
Douglas Harper's Etymology Dictionary
1590s, from un- (1) "not" + past participle of conformable (v.).
Wiktionary
a. Not conformable
WordNet
adj. not correspondent; "a description unconformable to previous accounts"
Usage examples of "unconformable".
But it seemed to Lacovara that instead of being buried by marine sediments as the sea level rose, the intertidal sediments in what he and Jennifer Smith were calling the unconformable sequence were doing the opposite: actually advancing into the marine zone.