O
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73 ENTRIES FOUND:

1O

Definition of O

variant of oh

1o

noun, often capitalized often attributive \ˈō\
plural o's or os \ˈōz\

Definition of O

1
a : the 15th letter of the English alphabet
b : a graphic representation of this letter
c : a speech counterpart of orthographic o
2
: a graphic device for reproducing the letter o
3
: one designated o especially as the 15th in order or class
4
: something shaped like the letter O; especially : zero

Examples of O

  1. a word that starts with an o
  2. a word that starts with o

First Known Use of O

before 12th century

Related to O

Synonyms
aught, cipher, goose egg, naught (also nought), nil, nothing, zero, oh, zilch, zip

Other Alphabet Terms

cuneiform, linear, minuscule, pictograph, rune, symbology, wedge

2o

abbreviation

Definition of O

1
ocean
2
ohm
3
old
4
order
5
over

2O

noun

Definition of O

: the one of the four ABO blood groups characterized by the absence of antigens designated by the letters A and B and by the presence of antibodies against these antigens

First Known Use of O

1929

3O

abbreviation

Definition of O

1
offense
2
Ohio
3
[New Latin octarius] pint

4O

symbol

Definition of O

oxygen

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