Definity may refer to:
*
Definity (film recorder)
*
Avaya Definity, the Avaya Definity PBX
*
Perflutren
Contrast-enhanced ultrasound (CEUS) is the application of ultrasound contrast medium to traditional medical sonography. Ultrasound contrast agents rely on the different ways in which sound waves are reflected from interfaces between substances. T ...
, 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 fictitious business name. Registering the fictitious name with ...
''Definity'', is a type of
microbubble contrast agent
*
Definity Inc., financial company and owns several insurance companies.
{{Disambig