"foldings" in the noun sense
1. protein folding, folding
the process whereby a protein molecule assumes its intricate three-dimensional shape
"understanding protein folding is the next step in deciphering the genetic code"
2. fold, folding
a geological process that causes a bend in a stratum of rock
3. fold, folding
the act of folding
"he gave the napkins a double fold"
Source: WordNet® (An amazing lexical database of English)
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