noun: Abbreviation of October. [The tenth month of the Gregorian calendar, following September and preceding November. Abbreviation: Oct.]
noun: Initialism of original content.
noun: (fandom slang) Initialism of original character. [(fandom slang) A fictional character in a fanwork who is the creation of the fanwork's author/artist rather than a part of the official canon.]
noun: (UK, role-playing games) Initialism of out of character.
noun: Initialism of office consultation.
noun: Initialism of office conference.
noun: Initialism of oleoresin capsicum. [Any oleoresin extracted from a plant of the genus Capsicum, containing capsaicin, used in pepper spray.]
noun: (business) Initialism of organizational climate. [(business psychology) Employees' collective appraisal of the organizational work environment.]
adjective: Initialism of obsessive-compulsive. [Characterized by obsessions and compulsions, especially by the need to perform repetitive tasks]