NIC

(redirected from Noise Isolation Class)
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NIC

abbreviation for
1. newly industrialized country
2. (Automotive Engineering) Nicaragua (international car registration)
References in periodicals archive ?
18) The NR data are used to calculate a Noise Isolation Class (NIC) rating.
Acoustic Separation Noise Isolation Class (NIC) Varies Varies Standardized Level Difference, [D.
However, a better indication of the sound-controlling property of a wall is Noise Isolation Class (NIC), which represents the performance of the system once it has been installed.