Dictionary Home » Dictionary Definitions » di

di

Listen

Di is defined as an abbreviation for drill instructor or diameter, or the symbol for didymium.

(abbreviation)

An example of di is the officer that teaches new soldiers about the military.
An example of di is the length of a line down the center of a circle.
An example of di is the symbol for a metallic mixture.

See di in Webster's New World College Dictionary

or dia

diameter

didymium

drill instructor

twice, double, twofold: dichroism, dicotyledon
Chem. having two atoms, molecules, radicals, etc.: diacid

Also dis-

Origin: Gr di- < dis-, twice < IE *dwis (> L bis, MHG zwis) < base *dwo, two

dis-: used before b, d, g, l, m, n, r, or v

dia-

See di in American Heritage Dictionary 4

The symbol for didymium.

abbreviation

drill instructor

prefix

Two; twice; double: dichromatic.
Containing two atoms, radicals, or groups: dichloride.

Origin:

Origin: Greek; see dwo- in Indo-European roots

prefix

Variant of dia-.

Learn more about di

DI computer definition

di- medical definition

di- science

Related Articles

Dental Abbreviations

link/cite print suggestion box

More from YD

» more results...