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NIV abbr.
abbr.	No Income Verification; Nutty Idiots Version
abbr., automat.	no-inspection verification
abbr., comp., net.	Network Interface Validation (aht)
abbr., earth.sc.	negative ion vacancy
abbr., med.	National Institute For Virology; Nodule-inducing Virus; Noninvasive Ventilation; Non-Invasive Ventilation (Yan Mazor)
abbr., med.appl.	noninvasive ventilation (MichaelBurov)
abbr., oil	nozzle with iso-variable velocity
abbr., physiol., med.	Non-invasive ventilation
abbr., relig.	New International Version
tech.	no inspection verification
USA	nonimmigrant visa (A nonimmigrant visa (NIV) is issued to a person with permanent residence outside the United States but wishes to be in the United States on a temporary basis for tourism, medical treatment, business, temporary work, or study, as examples. There are more than 20 different categories of nonimmigrant visa classifications. 'More)
NiV abbr.
abbr., oil	Nivalloy