Diastema :: Diastema (n.) A vacant space, or gap, esp. between teeth in a jaw..
Diaster :: Diaster (n.) A double star; -- applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei. See Karyokinesis..
Kadiaster :: Kadiaster (n.) A Turkish judge. See Cadi.