Early 20th century; earliest use found in Journal of the Chemical Society. From re- + natured, originally after German renaturiert. Compare French renaturé. Compare earlier denatured.
Definition of renatured in US English:
renatured
adjectiveˌriːˈneɪtʃəd
Biochemistry
Of a substance: that has undergone renaturation.
Origin
Early 20th century; earliest use found in Journal of the Chemical Society. From re- + natured, originally after German renaturiert. Compare French renaturé. Compare earlier denatured.