O (EN)
літера, іменник, частка, власна назва, символ

Це слово також може бути формою:
o (літера, числівник)

літера “O”

O
  1. велика форма літери "о"
    Olivia wrote her name with a big "O" at the beginning.

іменник “O”

sg. O, pl. Os, O's or uncountable
  1. група крові, яка не має антигенів А або В
    Since she has type O blood, she can only receive donations from others with the same type.
  2. сленг для оргазму
    After months of trying, she finally experienced her first O with her partner.
  3. жаргон для опіуму
    He pulled out a small pouch and whispered, "Got some O if you're looking to relax."

частка “O”

O
  1. о (звертання)
    O Captain! My Captain! Our fearful trip is done.

власна назва “O”

O
  1. О (прізвище)
    Mrs. O, originally from Seoul, is known for her delicious kimchi recipe.

символ “O”

O
  1. символ кисню
    Water is composed of two hydrogen atoms and one oxygen atom, represented chemically as H2O.
  2. О (велике "о")
    In algorithm analysis, if we say a sorting algorithm is O(n log n), it means its time complexity will not grow faster than n log n times some constant, for large enough n.
  3. О (ортогональна група)
    In our study of symmetries, we learned that the set of rotations and reflections of a square forms an orthogonal group, denoted as O(2).