petrifaction
noun
pet·ri·fac·tion ˌpe-trə-ˈfak-shən 
1
: the process of petrifying
2
: something petrified
3
: the quality or state of being petrified
Word History
Etymology
Middle English petrifaccioun, borrowed (with conformation to nouns ending in -faccio(u)n, such as liquefaccion liquefaction) from Medieval Latin petrificātiōn-, petrificātiō, from petrificāre "to turn into stone, petrify" + Latin -tiōn-, -tiō, suffix of verbal action
First Known Use
15th century, in the meaning defined at sense 1
Medical Definition
petrifaction
noun
pet·ri·fac·tion ˌpe-trə-ˈfak-shən
1
: the process of petrifying
calcification or petrifaction of tissue
2
: something petrified
3
: the quality or state of being petrified