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D vs O - What's the difference?

d | o |

As letters the difference between d and o

is that d is the fourth letter of the while o is the letter o with an acute accent above it.

As a numeral d

is cardinal number five hundred (500).

As a symbol d

is deuterium, when it needs to be distinguished from ordinary hydrogen.

d

Translingual

{{Basic Latin character info, previous=c, next=e, image= (wikipedia d)

Etymology 1

Modification of capital letter D, from (etyl) letter .

Letter

  • The fourth letter of the .

    • Usage notes

    The letter d is used in the alphabets of many languages, and in several romanization systems of non-Latin scripts to represent the (.

    See also

    (Latn-script) * (select similar letters and symbols) * (other scripts) * See

    Etymology 2

    Lower case form of upper case roman numeral D, a standardization of D or notch.

    Alternative forms

    * D,

    Numeral

  • cardinal number five hundred (500).
    • Usage notes
    With a bar over the numeral, i.e., as d, it represents five hundred thousand (500,000).
    See also
    * Lesser roman numeral symbol: * Greater roman numeral symbol: *

    Etymology 3

    Symbol

    (Voiced alveolar plosive) (head)
  • the (path-independent, ) differential of a quantity
  • voiced alveolar plosive

    • See also

    * (mathematics) {{Letter , page=D , NATO=Delta , Morse=-·· , Character=D4 , Braille=? }} Image:Latin D.png, Capital and lowercase versions of D , in normal and italic type Image:Fraktur letter D.png, Uppercase and lowercase D in Fraktur Image:Uncial d.png, Approximate form of upper case letter D in uncial script that was the source for lower case d ----

    o

    Translingual

    {{Basic Latin character info, previous=n, next=p, image= (wikipedia o)

    Letter

  • The fifteenth letter of the .

    • Symbol

    (Close-mid back rounded vowel) (head)
  • close-mid back rounded vowel

    • See also

    (Latn-script) {{Letter , page=O , NATO=Oscar , Morse=––– , Character=O , Braille=? }} Image:Latin O.png, Capital and lowercase versions of O , in normal and italic type Image:Fraktur letter O.png, Uppercase and lowercase O in Fraktur ----