Ta beseda je lahko tudi oblika:
črka “O”
- velika oblika črke "o"Prijavite se za ogled prevodov primerov stavkov in enojezičnih definicij vsake besede. 
 Olivia wrote her name with a big "O" at the beginning. 
samostalnik “O”
 ednina O, množina Os, O's ali neštevno
- krvna skupina, ki nima antigenov A ali BSince she has type O blood, she can only receive donations from others with the same type. 
- sleng za orgazemAfter months of trying, she finally experienced her first O with her partner. 
- žargon za opijHe pulled out a small pouch and whispered, "Got some O if you're looking to relax." 
členek “O”
- o (kot nagovor)O Captain! My Captain! Our fearful trip is done. 
lastno ime “O”
- O (priimki iz korejščine ali kitajščine)Mrs. O, originally from Seoul, is known for her delicious kimchi recipe. 
simbol “O”
- simbol za kisikWater is composed of two hydrogen atoms and one oxygen atom, represented chemically as H2O. 
- O (razred funkcij v matematiki)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. 
- O (simbol za ortogonalno skupino v linearni algebri in teoriji grup)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).