Nile

(nucleonics) A unit of reactivity; the reactivity of a reactor in niles is equal to 100(1-1/k), where k is the effective multiplication factor.

A family of MIPS R4400-based servers originally from Siemens Pyramid that provided high availability by connecting multiple units in clusters. The machines ran an SMP version of Unix. See Fujitsu Siemens.

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sub-atomic physics UK A nuclear reactivity of 10^-2; hence a millinile = 10^-5, i.e. the order of magnitude of the ratio of excess production constant to the effective production constant for a live nuclear reactor.

The millik is identically the millinile. See also dollar; inhour.