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Di

1 American  
[dahy] / daɪ /

noun

  1. a female given name, form of Diana.


di- 2 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 3 American  
[dee] / di /

noun

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


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


DI 6 American  
  1. Department of the Interior.

  2. drill instructor.


di- 7 American  
  1. variant of dia- before a vowel.

    diorama.


Di 8 American  
Symbol, Chemistry.
  1. didymium.


di. 9 American  
Or dia

abbreviation

  1. diameter.


di- 1 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 2 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- 3 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 4 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– 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 di-1

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

Origin of di1

Perhaps alteration of do 2

Origin of di1

< Italian < Latin

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.

“The Board unanimously determined that…Paramount’s latest offer remains inferior to our merger agreement with Netflix across multiple key areas,” Samuel A. Di Piazza, Jr., chair of Warner’s board of directors, said in a statement, adding that the offer Paramount made on Dec. 22 still included “an extraordinary amount of debt financing.”

From Barron's

Pepe Di'Iasio, general secretary of the Association of School and College Leaders, said it was important for young people to have an accessible record of their achievements but stressed that students should still collect exam results in person.

From BBC

Discovery chairman Samuel Di Piazza Jr. says on CNBC’s Squawk Box there is “nothing further from the truth” than claims that Warner is opposed to any agreement with Paramount, no matter the terms.

From The Wall Street Journal

“We would be very open to do a transaction with Paramount,” Di Piazza says.

From The Wall Street Journal

“There are paths,” Di Piazza says.

From The Wall Street Journal