overfold

From over- +‎ fold; in the geological sense, after German Überfaltung (“overfolding”).

• (UK) IPA^(key): /ˈəʊvəfəʊld/

overfold (plural overfolds)

1. (geology) A fold whereby the strata are forced through an angle of more than 90 degrees, so that younger strata lie below older ones.
   • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 95:

     Thrusts were directed there; major overfolds bulged outwards towards the north.

overfold (third-person singular simple present overfolds, present participle overfolding, simple past and past participle overfolded)

1. (transitive) To fold excessively.
   • 2012, Culture Magazine, Cheese For Dummies (page 305)

     The trick is to not overfold the ingredients; doing so causes the egg whites to deflate, resulting in a flat or soggy soufflé.

• foldover