di

¹ American  

[dee] / di /

Or Di

preposition

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

   Conte di Savòia.

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di ² American  

[dee] / di /

noun

Music.

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

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Di ³ American  

[dahy] / daɪ /

noun

1. a female given name, form of Diana.

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Di ⁴ American  

Symbol, Chemistry.

1. didymium.

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DI ⁵ American  

1. Department of the Interior.

2. drill instructor.

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di- ⁶ American  

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 ).

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di- ⁷ American  

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

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di- ⁸ American  

1. variant of dia- before a vowel.

   diorama.

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di. ⁹ American  

Or dia

abbreviation

1. diameter.

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di- ¹ British  

combining form

1. variant of dia-

   diopter

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Di ² British  

symbol

1. didymium

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di- ³ British  

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

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DI ⁴ British  

abbreviation

1. Defence Intelligence

2. Detective Inspector

3. Donor Insemination

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di– Scientific  

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

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Etymology

Origin of di¹

< Italian < Latin dē

Origin of di²

Perhaps alteration of do ²

Origin of di-⁶

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

Example Sentences

Di Vita and Di Ielsi's deaths were initially attributed to medical negligence and doctors who discharged them were placed under investigation for manslaughter, Italian media report.

From BBC

The story of the sinking later became an Oscar-winning film starring Leonardo Di Caprio and Kate Winslet.

From BBC

The core issue is not just production but also the security of key transit routes, said Antonio Di Giacomo, senior market analyst at XS.com.

From MarketWatch

Since the start of the war, the oil market has moved from “pricing potential disruption to pricing an ongoing and tangible supply shock,” Di Giacomo told MarketWatch by email.

From MarketWatch

The market needs “clear evidence that energy infrastructure is secure, shipping routes are fully operational and the risk of renewed disruptions has significantly declined,” Di Giacomo at XS.com said.

From MarketWatch