O (EN)

lettre, nom, particule, nom propre, symbole

lettre “O”

1. forme majuscule de la lettre "o"
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   Olivia wrote her name with a big "O" at the beginning.

nom “O”

1. un groupe sanguin qui manque d'antigènes A ou B
   Since she has type O blood, she can only receive donations from others with the same type.
2. argot pour orgasme
   After months of trying, she finally experienced her first O with her partner.
3. argot pour l'opium
   He pulled out a small pouch and whispered, "Got some O if you're looking to relax."

particule “O”

1. ô
   O Captain! My Captain! Our fearful trip is done.

nom propre “O”

1. O (d'origine coréenne ou chinoise)
   Mrs. O, originally from Seoul, is known for her delicious kimchi recipe.

symbole “O”

1. le symbole de l'oxygène
   Water is composed of two hydrogen atoms and one oxygen atom, represented chemically as H2O.
2. O (grand O)
   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. O (pour groupe orthogonal)
   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).