DI

1 of 2

abbreviation

drill instructor

di-

2 of 2

combining form

1

: twice : twofold : double

dichromatic

2

: containing two atoms, radicals, or groups

dioxide

Word History

Etymology

Combining form

borrowed from Greek, going back to Indo-European *du̯i- — more at twi-

Kids Definition

di-

combining form

1

: twice : twofold : double

2

: containing two atoms, radicals, or groups

dichloride

Etymology

Combining form

derived from Greek di- "twice, containing two"

Medical Definition

DI

abbreviation

diabetes insipidus