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di-

1 American  
  1. variant of dia- before a vowel.

    diorama.


DI 2 American  
  1. Department of the Interior.

  2. drill instructor.


Di 3 American  
[dahy] / daɪ /

noun

  1. a female given name, form of Diana.


di 4 American  
[dee] / di /
Or Di

preposition

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

    Conte di Savòia.


di. 5 American  
Or dia

abbreviation

  1. diameter.


di 6 American  
[dee] / di /

noun

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


di- 7 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 ).


Di 8 American  
Symbol, Chemistry.
  1. didymium.


di- 9 American  
  1. variant of dis- before b, d, l, m, n, r, s, v, and sometimes g and j: digest; divide.


Di 1 British  

symbol

  1. didymium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

di- 2 British  

prefix

  1. twice; two; double

    dicotyledon

    1. containing two specified atoms or groups of atoms

      dimethyl ether

      carbon dioxide

    2. a nontechnical equivalent of bi- 1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

DI 3 British  

abbreviation

  1. Defence Intelligence

  2. Detective Inspector

  3. Donor Insemination

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

di- 4 British  

combining form

  1. variant of dia-

    diopter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.


Etymology

Origin of di1

< Italian < Latin

Origin of di1

Perhaps alteration of do 2

Origin of di-1

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"These Games were promoted as sustainable and cost-neutral," protest organiser Alberto di Monte told AFP.

From BBC

"These Games were promoted as sustainable and cost-neutral," complained Alberto di Monte, one of the organisers of the march, which was called by unions, housing-rights groups and activists.

From Barron's

But with these being one of the most geographically dispersed Games in history -- unfolding in several sites spread across the Italian Alps -- billions spent were spent to build roads rather than protect the mountains, di Monte told AFP.

From Barron's

In white and shiny silver, with an ostrich feather boa and a reported $15 million worth of diamond jewelry, there was a statuesque, statue-still Mariah Carey, who is not Italian, but sang in Italian, the standard “Nel blu, dipinto di blu,” known here as “Volare,” which merged into her own “Nothing Is Impossible.”

From Los Angeles Times

And though most of the medals will be awarded in the surrounding mountains at Cortina d’Ampezzo, Valtellina and Val di Fiemme, Milan will be the beating heart of the Games, much as it is the beating heart of the country.

From Los Angeles Times