Amsterdam (historical) 1 â 3 Day Weather Forecast Summary: Moderate rain (total 19mm), heaviest on Sat morning. Warm (max 24.6Â°C on Fri afternoon, min 8.4Â°C on Thu morning). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat afternoon). Â°CÂ°F.
Freebase(5.00 / 1 vote)Rate this definition: In complexity theory, the class NC is the set of decision problems decidable in polylogarithmic time on a parallel computer with a polynomial number of processors. In other words, a problem is in NC if there exist constants c and k such that it can be solved in time O using O parallel processors.
National coverage determination. A national coverage determination (NCD) is a United States' nationwide determination of whether Medicare will pay for an item or service. Medicare coverage is limited to items and services that are considered reasonable and necessary for the diagnosis or treatment of an illness or injury (and within the scope of a Medicare benefit category).