Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun gemination

2 senses of gemination

Sense 1
gemination -- (the doubling of a word or phrase (as for rhetorical effect))
       => repetition -- (the repeated use of the same word or word pattern as a rhetorical device)

Sense 2
duplication, gemination -- (the act of copying or making a duplicate (or duplicates) of something; "this kind of duplication is wasteful")
       => copying -- (an act of copying)