Definition of superclustering in English:
superclustering
noun ˌsuːpəˈklʌst(ə)rɪŋˌsjuːpəˈklʌst(ə)rɪŋ
The existence or formation of superclusters; the fact of being in or constituting a supercluster.
Origin
1950s. From super- + clustering, after supercluster.