di

¹

or Di

[ dee ]

preposition

1. from; of: used in Italian personal names, originally to indicate place of origin:

   Conte di Savòia.

di-

²

1. a prefix occurring in loanwords from Greek, where it meant “two,” “twice,” “double” ( diphthong ); on this model, freely used in the formation of compound words ( dicotyledon; dipolar ) and in chemical terms ( diatomic; disulfide ).

di

³

[ dee ]

noun

, Music.

1. a tone in the ascending chromatic scale between do and re.

di-

⁴

1. variant of dis- ¹ before b, d, l, m, n, r, s, v, and sometimes g and j: digest; divide.

di-

⁵

1. variant of dia- before a vowel:

   diorama.

Di

⁶

[ dahy ]

noun

1. a female given name, form of Diana.

Di

⁷

Symbol, Chemistry.

1. didymium.

DI

⁸

1. Department of the Interior.
2. drill instructor.

di.

⁹

or dia

abbreviation for

1. diameter.

DI

¹

abbreviation for

1. Defence Intelligence
2. Detective Inspector
3. Donor Insemination

di-

²

combining_form

1. variant of dia-

   diopter

di-

³

prefix

1. twice; two; double

   dicotyledon

2. 1. containing two specified atoms or groups of atoms

      dimethyl ether

      carbon dioxide

   2. a nontechnical equivalent of bi- 1

Di

⁴

the chemical symbol for

1. didymium

di–

1. A prefix that means “two,” “twice,” or “double.” It is used commonly in chemistry, as in dioxide, a compound having two oxygen atoms.

Word History and Origins

Origin of di¹

< Italian < Latin dē

Origin of di²

Middle English ≪ Latin < Greek, combining form representing dís twice, double, akin to dýo two. See bi- ¹, twi-

Origin of di³

Perhaps alteration of do ²

Word History and Origins

Origin of di¹

via Latin from Greek, from dis twice, double, related to duo two. Compare bi- ¹

Example Sentences

Di Bello described the color-splashed works as “abstract expressionism” with “surrealist” methods.

From The Daily Beast

Di Giovanni thought “He wrote Spanish while in his ear he heard English.”

From The Daily Beast

The sensible answer is no, but di Giovannni gleaned much from those three years.

From The Daily Beast

When it came to casting Escobar, Di Stefano had to find a strong actor who could embody the brutality of the late kingpin.

From The Daily Beast

But la-di-da people also buy that water in Fiji and have it shipped thousands of miles, so maybe they would have been fine.

From The Daily Beast

Mussafia, Monumenti antichi di dialetti italiani, Sitzungsber.

From Project Gutenberg

Francesco Bussone di Carmagnola, count de Castlenuovo, executed.

From Project Gutenberg

Fecit dextera Di virtutem: non est mortuus, sed vixit; & nunc incolumis narrat opera Di.

From Project Gutenberg

Why therefore did the elder Amati, contemporary and probably pupil of Gaspar di Salo, change the model and size of the instrument?

From Project Gutenberg

And all the fal-lals and di-does they larn em in high school now doesnt amount to a row of pins in practical life.

From Project Gutenberg