aza-

(redirected from Diaza-)

aza-

or before a vowel

az-

combining form
denoting the presence of nitrogen, esp a nitrogen atom in place of a -CH group or an -NH group in place of a -CH2 group: azathioprine.
[C20: from az(o)- + -a-]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Polycatecholate ligands derived from 2,3-dihydroxy-5-sulfobenzoyl conjugates of diaza- and tetraazaalkanes," Journal of the American Chemical Society, vol.