As an initialism DI
is initialism of lang=en Is a police rank used in Commonwealth countries.
As a noun phenylenediamine is
any of the three isomeric di-amino-benzenes, used as intermediates in the manufacture of pharmaceuticals, plastics etc.
di
Translingual
Alternative forms
* (roman numeral) DI, CCCCCI, ccccci
Number
(
mul-number)
A Roman numeral representing five hundred one ().
See also
* Previous: d (five hundred, )
* Next: dii (five hundred two, )
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phenylenediamine
Noun
(
en noun)
(chemistry) any of the three isomeric di-amino-benzenes, used as intermediates in the manufacture of pharmaceuticals, plastics etc.