[gem.i.nate] adj [L geminatus, pp. of geminare to double, fr. geminus twin] (15c) 1: arranged in pairs: duplicate
2: being a sequence of identical speech sounds (as in meanness or Italian notte "night")
[2]gem.i.nate vb -nat.ed ; -nat.ing vt (1637): to make geminate ~ vi: to be or become geminate -- gem.i.na.tion n