As nouns the difference between pretranslation and retranslation
is that pretranslation is (computing) translation performed in advance while retranslation is translation again or anew.
pretranslation
English
Noun
(en-noun)
(computing) Translation performed in advance.
Related terms
* pretranslated retranslation
English
Noun
Translation again or anew.
Related terms
* retranslate