Etymology From over- + fold; in the geological sense, after German Überfaltung (“overfolding”).
1
Geography, Geology, Natural sciences A fold whereby the strata are forced through an angle of more than 90 degrees, so that younger strata lie below older ones.
Thrusts were directed there; major overfolds bulged outwards towards the north.2004, Richard Fortey, The Earth, Folio Society, published 2011, page 95:
overfold
verb
Etymology From over- + fold; in the geological sense, after German Überfaltung (“overfolding”).
1
To fold excessively.
The trick is to not overfold the ingredients; doing so causes the egg whites to deflate, resulting in a flat or soggy soufflé.2012, Culture Magazine, Cheese For Dummies, page 305: