Definity may refer to:
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Definity (film recorder)
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Avaya Definity
Avaya Holdings Corp., often shortened to Avaya (), is an American multinational technology company headquartered in Durham, North Carolina, that provides cloud communications and workstream collaboration services. The company's platform includ ...
, the Avaya Definity PBX
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Perflutren, with the
trade name
A trade name, trading name, or business name, is a pseudonym used by companies that do not operate under their registered company name. The term for this type of alternative name is a "fictitious" business name. Registering the fictitious name w ...
''Definity'', is a type of
microbubble contrast agent
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Definity Inc., financial company and owns several insurance companies.
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